diff --git a/sway/criteria.c b/sway/criteria.c
index 6f97994b..5cc5b8d2 100644
--- a/sway/criteria.c
+++ b/sway/criteria.c
@@ -97,7 +97,6 @@ void criteria_destroy(struct criteria *criteria) {
 #endif
 	pattern_destroy(criteria->con_mark);
 	pattern_destroy(criteria->workspace);
-	free(criteria->workspace);
 	free(criteria->target);
 	free(criteria->cmdlist);
 	free(criteria->raw);