diff --git a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.cleanpath.d b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.cleanpath.d
index 2f0541853a53..842eb67fc75e 100644
--- a/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.cleanpath.d
+++ b/cddl/contrib/opensolaris/cmd/dtrace/test/tst/common/funcs/tst.cleanpath.d
@@ -27,6 +27,7 @@
 #pragma ident	"%Z%%M%	%I%	%E% SMI"
 
 #pragma D option quiet
+#pragma D option dynvarsize=2m
 
 BEGIN
 {