diff --git a/setup.py b/setup.py
index 40497ec..66be5b5 100644
--- a/setup.py
+++ b/setup.py
@@ -2,11 +2,12 @@
 
 from pip._internal.req import parse_requirements
 
-install_reqs = parse_requirements("requirements.txt", session=False)
-try:
-    reqs = [str(ir.req) for ir in install_reqs]
-except:
-    reqs = [str(ir.requirement) for ir in install_reqs]
+reqs = []
+for ir in parse_requirements("requirements.txt", session=False):
+    try:
+        reqs.append(str(ir.req))
+    except:
+        reqs.append(str(ir.requirement))
 
 setup(
     name='ProtocolDetector',