diff --git a/setup.py b/setup.py
index e95d836..d49bfe7 100755
--- a/setup.py
+++ b/setup.py
@@ -16,11 +16,11 @@ with open(os.path.join("hddfancontrol", "__init__.py"), "rt") as f:
 
 with open("requirements.txt", "rt") as f:
   requirements = f.read().splitlines()
-  # require enum34 if enum module is missing (Python 3.3)
-  try:
-    import enum
-  except ImportError:
-    requirements.append("enum34")
+# require enum34 if enum module is missing (Python 3.3)
+try:
+  import enum
+except ImportError:
+  requirements.append("enum34")
 
 try:
   import pypandoc