diff --git a/bin/tests/system/hooks/conf/good-viewzonelevel.conf.j2 b/bin/tests/system/hooks/conf/good-viewzonelevel.conf.j2
index 7d992824cd..bd2ba71265 100644
--- a/bin/tests/system/hooks/conf/good-viewzonelevel.conf.j2
+++ b/bin/tests/system/hooks/conf/good-viewzonelevel.conf.j2
@@ -19,7 +19,7 @@ view someview {
 		type primary;
 		file "foo.bar.db";
 	};
-	plugin query "@TOP_BUILDDIR@/testlib-driver-syncplugin.so" {
+	plugin query "@TOP_BUILDDIR@/testlib-driver-syncplugin.@DYLIB@" {
 		rcode servfail;
 	};
 };