diff --git a/src/irc/core/irc-servers.c b/src/irc/core/irc-servers.c
index 8a7137eb..118f7242 100644
--- a/src/irc/core/irc-servers.c
+++ b/src/irc/core/irc-servers.c
@@ -236,9 +236,9 @@ static void server_init(IRC_SERVER_REC *server)
 	}
 
 	if (conn->sasl_mechanism != SASL_MECHANISM_NONE)
-		irc_cap_toggle(server, "sasl", TRUE);
+		irc_cap_toggle(server, CAP_SASL, TRUE);
 
-	irc_cap_toggle(server, "multi-prefix", TRUE);
+	irc_cap_toggle(server, CAP_MULTI_PREFIX, TRUE);
 
 	irc_send_cmd_now(server, "CAP LS " CAP_LS_VERSION);
 
diff --git a/src/irc/core/irc-servers.h b/src/irc/core/irc-servers.h
index 162d845f..df0446cb 100644
--- a/src/irc/core/irc-servers.h
+++ b/src/irc/core/irc-servers.h
@@ -6,6 +6,8 @@
 #include <irssi/src/irc/core/modes.h>
 
 #define CAP_LS_VERSION "302"
+#define CAP_SASL "sasl"
+#define CAP_MULTI_PREFIX "multi-prefix"
 
 /* returns IRC_SERVER_REC if it's IRC server, NULL if it isn't */
 #define IRC_SERVER(server) \