diff --git a/functions.py b/functions.py
index 8fbcc22..17fd963 100755
--- a/functions.py
+++ b/functions.py
@@ -62,7 +62,7 @@ def make_sentence(output, cfg):
 			fp = open('./filter.txt')
 			for word in fp:
 				word = re.sub("\n", "", word)
-				if word in sentence:
+				if word.lower() in sentence:
 					sentence=""
 					
 		finally: