diff --git a/test/miaou-bash.test.bash b/test/miaou-bash.test.bash
index 7fcc184..47794bc 100755
--- a/test/miaou-bash.test.bash
+++ b/test/miaou-bash.test.bash
@@ -91,13 +91,14 @@ function fail_stderr_grep {
   ((test_count++))
   cmd="$MIAOU_BASH_DIR/test/stub/scenario.bash $1"
   stderr_line="$2"
-  if ! $cmd 2>"$TMP_ERR" 3>/dev/null && grep -q "$stderr_line" "$TMP_ERR"; then
+
+  if ! $cmd 2>"$TMP_ERR" && grep -q "$stderr_line" "$TMP_ERR"; then
     echo -n .
     return
   fi
 
   echo -n F
-  failures+=("$cmd 2>&1 3>/dev/null | grep \"$stderr_line\"")
+  failures+=("$cmd 2>&1 | grep -q \"$stderr_line\"")
   return 1
 }