diff --git a/src/ex_docmd.c b/src/ex_docmd.c
index 3e40669..b060e63 100644
--- a/src/ex_docmd.c
+++ b/src/ex_docmd.c
@@ -10106,7 +10106,7 @@
      */
     if (put_line(fd, "let s:sx = expand(\"<sfile>:p:r\").\"x.vim\"") == FAIL
 	    || put_line(fd, "if file_readable(s:sx)") == FAIL
-	    || put_line(fd, "  exe \"source \" . s:sx") == FAIL
+	    || put_line(fd, "  exe \"source \" . fnameescape(s:sx)") == FAIL
 	    || put_line(fd, "endif") == FAIL)
 	return FAIL;