Index: head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localicmp.ksh
===================================================================
--- head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localicmp.ksh
+++ head/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
 #
Index: head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localtcp.ksh
===================================================================
--- head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4localtcp.ksh
+++ head/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
 #
Index: head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remoteicmp.ksh
===================================================================
--- head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remoteicmp.ksh
+++ head/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
 #
Index: head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotetcp.ksh
===================================================================
--- head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv4remotetcp.ksh
+++ head/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
 #
Index: head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6localicmp.ksh
===================================================================
--- head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6localicmp.ksh
+++ head/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
 #
Index: head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6remoteicmp.ksh
===================================================================
--- head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.ipv6remoteicmp.ksh
+++ head/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
 #
Index: head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localtcpstate.ksh
===================================================================
--- head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.localtcpstate.ksh
+++ head/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
 #
Index: head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh
===================================================================
--- head/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/ip/tst.remotetcpstate.ksh
+++ head/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
 #