diff --git a/plugins/nicovideo.lua b/plugins/nicovideo.lua
index 4e3eb77..fe31de5 100644
--- a/plugins/nicovideo.lua
+++ b/plugins/nicovideo.lua
@@ -52,7 +52,7 @@ return {
   patterns = {
   			  "nicovideo.jp/watch/(sm%d+)$",
   			  "nicovideo.jp/watch/(%d+)$",
-  			  "nico.ms/sm(%d+)$"
+  			  "nico.ms/(sm%d+)$"
   			  },
   run = run 
 }