diff --git a/nfdocs-parser.py b/nfdocs-parser.py
index a5f56d1..dea5b7c 100755
--- a/nfdocs-parser.py
+++ b/nfdocs-parser.py
@@ -1,5 +1,6 @@
 #!/usr/bin/env python
 import sys
 
-nextflow_file = sys.argv[1]
-print(nextflow_file)
+nextflow_path = sys.argv[1]
+with open(nextflow_path) as nextflow_file:
+    print(nextflow_file)