diff --git a/u4/word_count.py b/u4/word_count.py
index bf597d7..5a7858c 100644
--- a/u4/word_count.py
+++ b/u4/word_count.py
@@ -3,12 +3,13 @@ def count_words(sentence):
     word = ""
 
     for character in sentence:
-        if character.isalnum() or character == " ":
+        if character.isalnum() or character == "'":
             word += character.lower()
         else:
             if word.strip("'"):
-                words.append(words.strip("'"))
+                words.append(word.strip("'"))
             word = ""
+
     if word.strip("'"):
         words.append(word.strip("'"))