diff --git a/theXORitself.py b/theXORitself.py
index 727b983..cbc9f0b 100644
--- a/theXORitself.py
+++ b/theXORitself.py
@@ -8,7 +8,7 @@ def main(argv):
     comp3 = ''  
 
     try:
-        opts, args = getopt.getopt(argv,"hc1:c2:c3:",["comp1=","comp2=","comp3="])
+        opts, args = getopt.getopt(argv,"h:c1:c2:c3:",["comp1=","comp2=","comp3="])
     except getopt.GetoptError:
         print ('test.py -i <inputfile> -a <address>  -p <port>')
         sys.exit(2)