diff --git a/nodes/images.py b/nodes/images.py
index 1447979..e5c0551 100644
--- a/nodes/images.py
+++ b/nodes/images.py
@@ -29,7 +29,7 @@ def INPUT_TYPES(s) -> Dict[str, Dict[str, Any]]:
             "optional": {
                 "float_labels": ("FLOAT", {"forceInput": True}),
                 "int_labels": ("INT", {"forceInput": True}),
-                "str_labels": ("STR", {"forceInput": True}),
+                "str_labels": ("STRING", {"forceInput": True}),
             },
         }
 
diff --git a/nodes/list_utils.py b/nodes/list_utils.py
index 7d7eb74..c1f714f 100644
--- a/nodes/list_utils.py
+++ b/nodes/list_utils.py
@@ -72,10 +72,10 @@ def INPUT_TYPES(self) -> Dict[str, Dict[str, Any]]:
             },
         }
 
-    RETURN_TYPES = (any_type,)
+    RETURN_TYPES = (any_type, "INT")
     RETURN_NAMES = ("Joined", "Sizes")
     INPUT_IS_LIST = True
-    OUTPUT_IS_LIST = (True,)
+    OUTPUT_IS_LIST = (True, True)
     FUNCTION = "join_lists"
 
     CATEGORY = "List Stuff"