diff --git a/maint/code-cleanup.sh b/maint/code-cleanup.sh
index a441858c891..dedbad6ff08 100755
--- a/maint/code-cleanup.sh
+++ b/maint/code-cleanup.sh
@@ -7,10 +7,10 @@ else
 fi
 
 indent_version=$($indent --version)
-if echo "$indent_version" | grep -q "GNU indent"; then
+if echo "$indent_version" | grep -q "GNU indent 2.2.11"; then
     :
 else
-    echo "This script requires GNU indent."
+    echo "This script requires GNU indent version 2.2.11."
     exit
 fi