diff --git a/bin/ffx.py b/bin/ffx.py
index 8678024..b7f35b4 100755
--- a/bin/ffx.py
+++ b/bin/ffx.py
@@ -182,7 +182,7 @@ for quality in qualities:
 
 
         if cropStart:
-            commandSequence += generateCropTokens(cropStart, cropLength)
+            commandSequence1 += generateCropTokens(cropStart, cropLength)
 
 
         print(f"Command Sequence 1: {commandSequence1}")
@@ -193,7 +193,7 @@ for quality in qualities:
 
 
         if cropStart:
-            commandSequence += generateCropTokens(cropStart, cropLength)
+            commandSequence2 += generateCropTokens(cropStart, cropLength)
 
 
         if len(qualities) > 1: