Index: cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.basename.d
===================================================================
--- cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.basename.d
+++ cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.basename.d
@@ -59,7 +59,7 @@
 	end = i;
 	i = 0;
 
-	printf("#!/usr/bin/ksh\n\n");
+	printf("#!/usr/bin/env ksh\n\n");
 }
 
 tick-1ms
Index: cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.basename.d.out
===================================================================
--- cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.basename.d.out
+++ cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.basename.d.out
@@ -1,4 +1,4 @@
-#!/usr/bin/ksh
+#!/usr/bin/env ksh
 
 if [ `basename "/foo/bar/baz"` != "baz" ]; then
 	echo "basename(\"/foo/bar/baz\") is \"baz\"; expected \"`basename "/foo/bar/baz"`"\"