diff --git a/src/conf.c b/src/conf.c
index 2c68548..019a896 100644
--- a/src/conf.c
+++ b/src/conf.c
@@ -66,7 +66,7 @@
 #define PASSWORD "([^@]*)"
 #define IP "((([0-9]{1,3})\\.){3}[0-9]{1,3})"
 #define IPMASK "(" IP "(/" DIGIT "+)?)"
-#define IPV6_SCOPE "((%[^ \\t\\/]{1,16})?)"
+#define IPV6_SCOPE "((%[^ \t\\/]{1,16})?)"
 #define IPV6 "(" \
         "([0-9a-f:]{2,39})" IPV6_SCOPE "|" \
         "([0-9a-f:]{0,29}:" IP ")" IPV6_SCOPE \