diff --git a/src/providers/file.ts b/src/providers/file.ts
index e5d30996c..684d7f214 100644
--- a/src/providers/file.ts
+++ b/src/providers/file.ts
@@ -1158,7 +1158,7 @@ export class CoreFileProvider {
                 do {
                     newName = fileNameWithoutExtension + '(' + num + ')' + extension;
                     num++;
-                } while (typeof files[newName] != 'undefined');
+                } while (typeof files[newName.toLowerCase()] != 'undefined');
 
                 // Ask the user what he wants to do.
                 return newName;