diff --git a/install-data b/install-data
index d2653c79..e0e933eb 100755
--- a/install-data
+++ b/install-data
@@ -8,11 +8,11 @@ if ! [ -d "$DATA_PATH" ]; then
     echo "Creating cathook data directory at $DATA_PATH"
     mkdir -p "$DATA_PATH"
     chown -R $user "$DATA_PATH"
-    chmod -R 777 "$DATA_PATH"
+    chmod -R 774 "$DATA_PATH"
 fi
 
 echo "Installing cathook data to $DATA_PATH"
 rsync -avh "data/" "$DATA_PATH"
 rsync -avh --ignore-existing "config_data/" "$DATA_PATH"
 chown -R $user "$DATA_PATH"
-chmod -R 777 "$DATA_PATH"
+chmod -R 774 "$DATA_PATH"