diff --git a/libsepol/cil/src/cil_reset_ast.c b/libsepol/cil/src/cil_reset_ast.c
index 89f91e56..1d9ca704 100644
--- a/libsepol/cil/src/cil_reset_ast.c
+++ b/libsepol/cil/src/cil_reset_ast.c
@@ -59,7 +59,11 @@ static void cil_reset_classpermission(struct cil_classpermission *cp)
 
 static void cil_reset_classperms_set(struct cil_classperms_set *cp_set)
 {
-	cil_reset_classpermission(cp_set->set);
+	if (cp_set == NULL) {
+		return;
+	}
+
+	cp_set->set = NULL;
 }
 
 static inline void cil_reset_classperms_list(struct cil_list *cp_list)