diff --git a/contrib/util/check-config.sh b/contrib/util/check-config.sh
index 9571f96f18..0c5388cc0d 100755
--- a/contrib/util/check-config.sh
+++ b/contrib/util/check-config.sh
@@ -55,7 +55,7 @@ is_set_as_module() {
 }
 
 color() {
-  if [[ -n "$NO_COLOR" ]]; then
+  if [ -n "$NO_COLOR" ]; then
     return
   fi