diff --git a/src/ex_cmds.c b/src/ex_cmds.c
index cc4cedf..3098df9 100644
--- a/src/ex_cmds.c
+++ b/src/ex_cmds.c
@@ -5924,14 +5924,14 @@
     int		i;
     static char *(mtable[]) = {"*", "g*", "[*", "]*", ":*",
 			       "/*", "/\\*", "\"*", "**",
-			       "cpo-*", "/\\(\\)",
+			       "cpo-*", "/\\(\\)", "/\\%(\\)",
 			       "?", ":?", "?<CR>", "g?", "g?g?", "g??", "z?",
 			       "/\\?", "/\\z(\\)", "\\=", ":s\\=",
 			       "[count]", "[quotex]", "[range]",
 			       "[pattern]", "\\|", "\\%$"};
     static char *(rtable[]) = {"star", "gstar", "[star", "]star", ":star",
 			       "/star", "/\\\\star", "quotestar", "starstar",
-			       "cpo-star", "/\\\\(\\\\)",
+			       "cpo-star", "/\\\\(\\\\)", "/\\\\%(\\\\)",
 			       "?", ":?", "?<CR>", "g?", "g?g?", "g??", "z?",
 			       "/\\\\?", "/\\\\z(\\\\)", "\\\\=", ":s\\\\=",
 			       "\\[count]", "\\[quotex]", "\\[range]",