diff --git a/imagefield_zip.module b/imagefield_zip.module
index 50dca66..ba38cd2 100644
--- a/imagefield_zip.module
+++ b/imagefield_zip.module
@@ -998,7 +998,7 @@ function imagefield_zip_mkdir_recursive($pathname, $mode = 0777) {
     return is_dir($pathname);
   }
   if (!is_dir(dirname($pathname))) {
-    mkdir_recursive(dirname($pathname), $mode);
+    imagefield_zip_mkdir_recursive(dirname($pathname), $mode);
   }
   return @mkdir($pathname, $mode);
 }