diff --git a/bin/tests/system/synthrecord/conf/bad-multi-label-prefix.conf.j2 b/bin/tests/system/synthrecord/conf/bad-multi-label-prefix.conf.j2
index b064813b59..79414226de 100644
--- a/bin/tests/system/synthrecord/conf/bad-multi-label-prefix.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-multi-label-prefix.conf.j2
@@ -14,7 +14,7 @@
 zone 192.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix "dynam.ic-";
 		allow-synth {
 			192.168.1.0/24;
diff --git a/bin/tests/system/synthrecord/conf/bad-neg-ttl.conf.j2 b/bin/tests/system/synthrecord/conf/bad-neg-ttl.conf.j2
index 177cee5708..19493451a7 100644
--- a/bin/tests/system/synthrecord/conf/bad-neg-ttl.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-neg-ttl.conf.j2
@@ -14,7 +14,7 @@
 zone 192.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix "dynamic-";
 		allow-synth {
 			192.168.1.0/24;
diff --git a/bin/tests/system/synthrecord/conf/bad-no-origin.conf.j2 b/bin/tests/system/synthrecord/conf/bad-no-origin.conf.j2
index 153cf93acf..0e9a9c60d5 100644
--- a/bin/tests/system/synthrecord/conf/bad-no-origin.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-no-origin.conf.j2
@@ -14,7 +14,7 @@
 zone 10.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix dynamic-;
 		allow-synth {
 			10.53.0.0/16;
diff --git a/bin/tests/system/synthrecord/conf/bad-no-prefix.conf.j2 b/bin/tests/system/synthrecord/conf/bad-no-prefix.conf.j2
index 2e2e6a28c5..da1bc7a677 100644
--- a/bin/tests/system/synthrecord/conf/bad-no-prefix.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-no-prefix.conf.j2
@@ -14,7 +14,7 @@
 zone 10.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		allow-synth {
 			10.53.0.0/16;
 		};
diff --git a/bin/tests/system/synthrecord/conf/bad-origin-name.conf.j2 b/bin/tests/system/synthrecord/conf/bad-origin-name.conf.j2
index 4f450d8a9e..e1b291636a 100644
--- a/bin/tests/system/synthrecord/conf/bad-origin-name.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-origin-name.conf.j2
@@ -14,7 +14,7 @@
 zone 10.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix dynamic-;
 		origin _e/x'ample.;
 		ttl 60;
diff --git a/bin/tests/system/synthrecord/conf/bad-origin-no-absolute.conf.j2 b/bin/tests/system/synthrecord/conf/bad-origin-no-absolute.conf.j2
index c07d4e15d4..2d4317b450 100644
--- a/bin/tests/system/synthrecord/conf/bad-origin-no-absolute.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-origin-no-absolute.conf.j2
@@ -14,7 +14,7 @@
 zone 192.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix dynamic-;
 		origin "example";
 		ttl 60;
diff --git a/bin/tests/system/synthrecord/conf/bad-origin-type.conf.j2 b/bin/tests/system/synthrecord/conf/bad-origin-type.conf.j2
index 730b9d2b09..741e96b256 100644
--- a/bin/tests/system/synthrecord/conf/bad-origin-type.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-origin-type.conf.j2
@@ -14,7 +14,7 @@
 zone example {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix dynamic-;
 		origin { 10.0.0.1/24; };
 		ttl 60;
diff --git a/bin/tests/system/synthrecord/conf/bad-prefix-type.conf.j2 b/bin/tests/system/synthrecord/conf/bad-prefix-type.conf.j2
index 6090073cf4..d9a575e340 100644
--- a/bin/tests/system/synthrecord/conf/bad-prefix-type.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-prefix-type.conf.j2
@@ -14,7 +14,7 @@
 zone example {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix { 10.43.4.5/2; };
 		origin "example.";
 		ttl 60;
diff --git a/bin/tests/system/synthrecord/conf/bad-reverse-missing-origin.conf.j2 b/bin/tests/system/synthrecord/conf/bad-reverse-missing-origin.conf.j2
index 94ca7c668f..42de9f287b 100644
--- a/bin/tests/system/synthrecord/conf/bad-reverse-missing-origin.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-reverse-missing-origin.conf.j2
@@ -14,7 +14,7 @@
 zone 10.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix "dynamic-";
 		ttl 60;
 	};
diff --git a/bin/tests/system/synthrecord/conf/bad-tsig.conf.j2 b/bin/tests/system/synthrecord/conf/bad-tsig.conf.j2
index e870a2d270..30c018b2da 100644
--- a/bin/tests/system/synthrecord/conf/bad-tsig.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-tsig.conf.j2
@@ -19,7 +19,7 @@ key "test-tsig." {
 zone example {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix "dynamic-";
 		allow-synth {
 			192.168.1.5;
diff --git a/bin/tests/system/synthrecord/conf/bad-wrong-ttl-type.conf.j2 b/bin/tests/system/synthrecord/conf/bad-wrong-ttl-type.conf.j2
index db8014c9b9..0d5f1ec428 100644
--- a/bin/tests/system/synthrecord/conf/bad-wrong-ttl-type.conf.j2
+++ b/bin/tests/system/synthrecord/conf/bad-wrong-ttl-type.conf.j2
@@ -14,7 +14,7 @@
 zone 10.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix "dynamic-";
 		allow-synth {
 			192.168.1.0/24;
diff --git a/bin/tests/system/synthrecord/conf/good-forward-missing-origin.conf.j2 b/bin/tests/system/synthrecord/conf/good-forward-missing-origin.conf.j2
index e21139dd57..54855d5b4a 100644
--- a/bin/tests/system/synthrecord/conf/good-forward-missing-origin.conf.j2
+++ b/bin/tests/system/synthrecord/conf/good-forward-missing-origin.conf.j2
@@ -14,7 +14,7 @@
 zone example {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix "dynamic-";
 		allow-synth {
 			10.53.0.0/16;
diff --git a/bin/tests/system/synthrecord/conf/good-no-allow-synth.conf.j2 b/bin/tests/system/synthrecord/conf/good-no-allow-synth.conf.j2
index a8ef053016..ad01838695 100644
--- a/bin/tests/system/synthrecord/conf/good-no-allow-synth.conf.j2
+++ b/bin/tests/system/synthrecord/conf/good-no-allow-synth.conf.j2
@@ -14,7 +14,7 @@
 zone 10.in-addr.arpa {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix dynamic-;
 		origin "example.";
 		ttl 60;
diff --git a/bin/tests/system/synthrecord/conf/good-no-ttl.conf.j2 b/bin/tests/system/synthrecord/conf/good-no-ttl.conf.j2
index 4d05862fe5..314866d03a 100644
--- a/bin/tests/system/synthrecord/conf/good-no-ttl.conf.j2
+++ b/bin/tests/system/synthrecord/conf/good-no-ttl.conf.j2
@@ -14,7 +14,7 @@
 zone example {
 	type primary;
 	file "file";
-	plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+	plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
 		prefix "dynamic-";
 		allow-synth {
 			10.53.0.0/16;
diff --git a/bin/tests/system/synthrecord/conf/good1.conf.j2 b/bin/tests/system/synthrecord/conf/good1.conf.j2
index 120b79b74d..184c81c53c 100644
--- a/bin/tests/system/synthrecord/conf/good1.conf.j2
+++ b/bin/tests/system/synthrecord/conf/good1.conf.j2
@@ -14,7 +14,7 @@
 zone 10.in-addr.arpa {
 	type primary;
 	file "10.in-addr.arpa.db";
-        plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+        plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
                 prefix "dynamic-";
                 allow-synth {
                         10.53.0.0/16;
@@ -27,7 +27,7 @@ zone 10.in-addr.arpa {
 zone e.f.a.c.ip6.arpa {
 	type primary;
 	file "e.f.a.c.in-addr.arpa.db";
-        plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+        plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
                 prefix "dynamic-";
                 allow-synth {
                         cafe:cafe::/32;
@@ -40,7 +40,7 @@ zone e.f.a.c.ip6.arpa {
 zone example {
 	type primary;
 	file "example.db";
-        plugin query "@TOP_BUILDDIR@/synthrecord.so" {
+        plugin query "@TOP_BUILDDIR@/synthrecord.@DYLIB@" {
                 prefix "dynamic-";
                 allow-synth {
                         10.53.0.0/16;