diff --git a/extensions/extb_ssl.c b/extensions/extb_ssl.c
index 1e11a755..aa6ea955 100644
--- a/extensions/extb_ssl.c
+++ b/extensions/extb_ssl.c
@@ -42,7 +42,7 @@ static int eb_ssl(const char *data, struct Client *client_p,
 		if (EmptyString(client_p->certfp))
 			return EXTBAN_NOMATCH;
 
-		if (strcmp(data, client_p->certfp) != 0)
+		if (irccmp(data, client_p->certfp) != 0)
 			return EXTBAN_NOMATCH;
 	}