diff --git a/src/main.c b/src/main.c
index b524c7e..9c11b43 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2981,6 +2981,10 @@
 		&& do_source((char_u *)USR_VIMRC_FILE3, TRUE,
 							   DOSO_VIMRC) == FAIL
 #endif
+#ifdef USR_VIMRC_FILE4
+		&& do_source((char_u *)USR_VIMRC_FILE4, TRUE,
+							   DOSO_VIMRC) == FAIL
+#endif
 		&& process_env((char_u *)"EXINIT", FALSE) == FAIL
 		&& do_source((char_u *)USR_EXRC_FILE, FALSE, DOSO_NONE) == FAIL)
 	    {