diff --git a/scripts/normalize-spaces.sh b/scripts/normalize-spaces.sh
index e1b3019de..9eddda413 100755
--- a/scripts/normalize-spaces.sh
+++ b/scripts/normalize-spaces.sh
@@ -7,10 +7,13 @@ set -euo pipefail
 ROOT_DIR="${1:-}"
 
 if [ -z "$ROOT_DIR" ]; then
-  echo "Usage: $0 <directory>"
-  exit 1
+    echo "Usage: $0 <directory>"
+    exit 1
 fi
 
 find "$ROOT_DIR" -type f -name '*' -print0 | while IFS= read -r -d '' file; do
-  mv -v "$file" "$(echo "$file" | tr ' ' '+')"
+    new_file="$(echo "$file" | tr ' ' '+')"
+    if [[ "$file" != "$new_file" ]]; then
+        mv -v "$file" "$new_file"
+    fi
 done