diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localicmp.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localicmp.ksh
index 18c774c58a5..88a619edf58 100755
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localicmp.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localicmp.ksh
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh
 #
 # CDDL HEADER START
 #
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localtcp.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localtcp.ksh
index 1d2a9923706..de2e4d305e3 100755
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localtcp.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localtcp.ksh
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh
 #
 # CDDL HEADER START
 #
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remoteicmp.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remoteicmp.ksh
index 87553ea7110..7b456aa61f4 100755
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remoteicmp.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remoteicmp.ksh
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh93
 #
 # CDDL HEADER START
 #
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotetcp.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotetcp.ksh
index 4c91f0002e8..2eb5895e90f 100755
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotetcp.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotetcp.ksh
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh93
 #
 # CDDL HEADER START
 #
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6localicmp.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6localicmp.ksh
index 65efd2420b7..9c404eb5692 100755
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6localicmp.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6localicmp.ksh
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh
 #
 # CDDL HEADER START
 #
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6remoteicmp.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6remoteicmp.ksh
index c859e6bfe44..303a1e45568 100755
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6remoteicmp.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6remoteicmp.ksh
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh93
 #
 # CDDL HEADER START
 #
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localtcpstate.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localtcpstate.ksh
old mode 100644
new mode 100755
index d7a3780ad49..3e85143bd39
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localtcpstate.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localtcpstate.ksh
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh
 #
 # CDDL HEADER START
 #
diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh
old mode 100644
new mode 100755
index 271cc7849f7..620171544ac
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh93
 #
 # CDDL HEADER START
 #