diff --git a/upload_nodes.module b/upload_nodes.module
index 54314a3..85afce8 100644
--- a/upload_nodes.module
+++ b/upload_nodes.module
@@ -146,7 +146,7 @@ function _upload_nodes_clean_nodes_to_edit() {
  */
 
 function _upload_nodes_filter_name($name) {
-  return str_replace(
+  return str_ireplace(
     explode(';', variable_get('fupload_title_replacements', '.jpg;_;{;}')), 
     ' ', $name);
 }