src/net/http/server.go | 5 ++++-

diff --git a/src/net/http/server.go b/src/net/http/server.go
index 5a7966d961052d052f2c0911d8351ff85790087b..57e1b5dacb3faf3dbecb5bbecba6d242580164d5 100644
--- a/src/net/http/server.go
+++ b/src/net/http/server.go
@@ -2242,9 +2242,12 @@ 		}
 	}
 
 	n := len(path)
+	if n == 0 {
+		return false
+	}
 	for _, c := range p {
 		if _, exist := mux.m[c+"/"]; exist {
-			return n > 0 && path[n-1] != '/'
+			return path[n-1] != '/'
 		}
 	}