diff --git a/gcc/testsuite/gcc.c-torture/noncompile/noncompile.exp b/gcc/testsuite/gcc.c-torture/noncompile/noncompile.exp
index 9ce8c3de8780..ddebf06ddcf8 100644
--- a/gcc/testsuite/gcc.c-torture/noncompile/noncompile.exp
+++ b/gcc/testsuite/gcc.c-torture/noncompile/noncompile.exp
@@ -225,7 +225,7 @@ postbase $src_code $run $groups
 # Test 951025-1.c
 prebase
 set src_code 951025-1.c
-set compiler_output ".*:[12]:"
+set compiler_output ".*:\[12\]:"
 
 set groups {passed gcc-noncompile}