diff --git a/src/obj_set.c b/src/obj_set.c
index b54f76f..c5d3b83 100644
--- a/src/obj_set.c
+++ b/src/obj_set.c
@@ -69,7 +69,7 @@ KRK_Method(set,__contains__) {
 
 KRK_Method(set,__repr__) {
 	METHOD_TAKES_NONE();
-	if (((KrkObj*)self)->flags & KRK_OBJ_FLAGS_IN_REPR) return OBJECT_VAL("{...}");
+	if (((KrkObj*)self)->flags & KRK_OBJ_FLAGS_IN_REPR) return OBJECT_VAL(S("{...}"));
 	if (!self->entries.capacity) return OBJECT_VAL(S("set()"));
 	((KrkObj*)self)->flags |= KRK_OBJ_FLAGS_IN_REPR;
 	struct StringBuilder sb = {0};
diff --git a/src/obj_slice.c b/src/obj_slice.c
index c5cebb5..6456fb5 100644
--- a/src/obj_slice.c
+++ b/src/obj_slice.c
@@ -118,7 +118,7 @@ KRK_Method(slice,__init__) {
 
 KRK_Method(slice,__repr__) {
 	METHOD_TAKES_NONE();
-	if (((KrkObj*)self)->flags & KRK_OBJ_FLAGS_IN_REPR) return OBJECT_VAL("slice(...)");
+	if (((KrkObj*)self)->flags & KRK_OBJ_FLAGS_IN_REPR) return OBJECT_VAL(S("slice(...)"));
 	((KrkObj*)self)->flags |= KRK_OBJ_FLAGS_IN_REPR;
 	struct StringBuilder sb = {0};
 	pushStringBuilderStr(&sb,"slice(",6);