diff --git a/toolkit/components/filepicker/src/nsFilePicker.manifest b/toolkit/components/filepicker/src/nsFilePicker.manifest
index 84f74a599553..203c87fc3471 100644
--- a/toolkit/components/filepicker/src/nsFilePicker.manifest
+++ b/toolkit/components/filepicker/src/nsFilePicker.manifest
@@ -1,2 +1,4 @@
 component {54ae32f8-1dd2-11b2-a209-df7c505370f8} nsFilePicker.js
+#ifndef MOZ_WIDGET_GTK2
 contract @mozilla.org/filepicker;1 {54ae32f8-1dd2-11b2-a209-df7c505370f8}
+#endif