diff --git a/orthofinder/scripts/blast_file_processor.py b/orthofinder/scripts/blast_file_processor.py
index 72a6952df035760e0ffa03c524248860b24ffb7d..80f9eafc9ff5d29fd9ed9f452e7d481ff40c753c 100644
--- a/orthofinder/scripts/blast_file_processor.py
+++ b/orthofinder/scripts/blast_file_processor.py
@@ -153,7 +153,7 @@ def WriteFixNormalizedBlastFile(blastDir_list, iSpecies, jSpecies, sep = "_", qD
                 blastwriter = csv.writer(tempfile, delimiter='\t')
                 for row in blastreader:
                     rows.append(row)
-                newrows = sc.scnorm.FixZeroNormalizedScores(iSpeciesOpen, jSpeciesOpen, rows)
+                newrows = sc.scnorm.FixZeroNormalizedScores(iSpeciesOpen, rows)
                 for the_row in newrows:
                     blastwriter.writerow(the_row)
                 tempfile.flush()
diff --git a/orthofinder/scripts/scnorm.py b/orthofinder/scripts/scnorm.py
index ed9cc2f3c4be234742033d8e44c70987a9121d3e..2f656bc4e89d1969efc242db0bb265a6f872c4d3 100644
--- a/orthofinder/scripts/scnorm.py
+++ b/orthofinder/scripts/scnorm.py
@@ -148,7 +148,7 @@ class scnorm:
         return newrows
 
     @staticmethod
-    def FixZeroNormalizedScores(iSpeciesOpen, jSpeciesOpen, rows):
+    def FixZeroNormalizedScores(iSpeciesOpen, rows):
         """
         This function retrieve the Normalization Score
         from current csv file (with Seq iQ, Seq iH)
@@ -159,10 +159,10 @@ class scnorm:
         NormBS = selfHitNormBlastScore
         newrows = []
         # retrieve value from plot https://code-examples.net/en/q/8863d1
-        all_plots = f[jSpeciesOpen][0].get_xydata()
+        all_plots = f[iSpeciesOpen][0].get_xydata()
         error_margin = 0.2
         #line = 0
-        print("Compute back 0.0 normalized score for self-hits for species %d %d" % (iSpeciesOpen, jSpeciesOpen))
+        print("Compute back 0.0 normalized score for self-hits for species %d %d" % (iSpeciesOpen, iSpeciesOpen))
         print("Error margin is %f" % error_margin)
         for row in rows:
             #try:
@@ -177,7 +177,7 @@ class scnorm:
                 #except (IndexError, ValueError):
                 #    sys.stderr.write("\nERROR: 12th field in BLAST results file line should be the bit-score for the hit\n")
             #except IndexError as e:
-            #    sys.stderr.write("\nERROR: csv values on Blast species %d %d file, line %d : %s \n" % (iSpeciesOpen, jSpeciesOpen, line, e))
+            #    sys.stderr.write("\nERROR: csv values on Blast species %d %d file, line %d : %s \n" % (iSpeciesOpen, iSpeciesOpen, line, e))
             #    pass
             newrows.append(row)
             #line+=1