diff --git a/api.py b/api.py
index f7d36e6..d105c96 100644
--- a/api.py
+++ b/api.py
@@ -120,7 +120,7 @@ def anti_child_porn(prompt: str, neg_prompt: str) -> Tuple[str, str]:
     Returns:
         Tuple[str, str]: Updated positive prompt and negative prompt.
     """
-    tags = prompt.replace(",", " ").split(" ")
+    tags = prompt.replace(",", " ").lower().split(" ")
     detected = False
     for tag in child_porn_tags:
         if tag in tags: