diff --git a/src/proto/netbeans.pro b/src/proto/netbeans.pro
index bb1a1b5..789ac9f 100644
--- a/src/proto/netbeans.pro
+++ b/src/proto/netbeans.pro
@@ -16,7 +16,7 @@
 void netbeans_removed __ARGS((buf_T *bufp, linenr_T linenr, colnr_T col, long len));
 void netbeans_unmodified __ARGS((buf_T *bufp));
 void netbeans_button_release __ARGS((int button));
-void netbeans_keycommand __ARGS((int key));
+int netbeans_keycommand __ARGS((int key));
 void netbeans_save_buffer __ARGS((buf_T *bufp));
 void netbeans_deleted_all_lines __ARGS((buf_T *bufp));
 int netbeans_is_guarded __ARGS((linenr_T top, linenr_T bot));