diff --git a/gcc/testsuite/gcc.dg/vect/slp-46.c b/gcc/testsuite/gcc.dg/vect/slp-46.c
index 17dfa285ec1..58a238aad6c 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-46.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-46.c
@@ -1,4 +1,5 @@
 /* { dg-require-effective-target vect_double } */
+/* { dg-additional-options "--param vect-epilogues-nomask=0" } */
 
 #include "tree-vect.h"