diff --git a/url_regex.hh b/url_regex.hh
index 11eda38..ee9b395 100644
--- a/url_regex.hh
+++ b/url_regex.hh
@@ -9,7 +9,7 @@
 #define PORT            "(?:\\:[[:digit:]]{1,5})?"
 #define SCHEME          "(?:[[:alpha:]][+-.[:alnum:]]*:)"
 #define USERPASS        USERCHARS_CLASS "+(?:" PASSCHARS_CLASS "+)?"
-#define URLPATH         "(?:/[[:alnum:]\\Q$-_.+!*'(),;/?:@&=#\\E]*)"
+#define URLPATH         "(?:/[[:alnum:]\\Q$-_.+!*'(),;/?:@&=#%\\E]*)"
 
 const char * const url_regex = SCHEME "//(?:" USERPASS "\\@)?" HOST PORT URLPATH;