diff --git a/frangiPANe/snakemake_scripts/vecscreen.py b/frangiPANe/snakemake_scripts/vecscreen.py
index 6dfd44832647005f90c78b70c4c7f226b11f6f83..dbd0730032e801473154ac05f6c818424dd57dd3 100644
--- a/frangiPANe/snakemake_scripts/vecscreen.py
+++ b/frangiPANe/snakemake_scripts/vecscreen.py
@@ -65,7 +65,7 @@ with open(os.path.join(output_fasta), "w") as o:
                 if min_bounds == min_seq + 1:
                     min_seq = max_bounds
                     new_length = max_seq - max_bounds
-                    if new_length >= params_ length:
+                    if new_length >= params_length:
                         header_fields = str(seq.description).split()
                         o.write('>' + header_fields[0] + " " + str(new_length) + " " + " ".join(
                             header_fields[2:]) + '\n')