diff --git a/src/modules/m_tkl.c b/src/modules/m_tkl.c
index 20ddf0f66..0a8bb3b23 100644
--- a/src/modules/m_tkl.c
+++ b/src/modules/m_tkl.c
@@ -1706,6 +1706,7 @@ aTKline *find_tkline_match_zap_matcher(aClient *cptr, aTKline *tkl)
 
 		return tkl;
 	}
+	return NULL;
 }
 
 /** Find matching (G)ZLINE, if any.