diff --git a/dynamut/run_format_results_dynamut.py b/dynamut/run_format_results_dynamut.py
index dd9f7fb..cb6fe70 100755
--- a/dynamut/run_format_results_dynamut.py
+++ b/dynamut/run_format_results_dynamut.py
@@ -66,12 +66,12 @@ outdir_dynamut = outdir + '/dynamut_results/'
 outdir_dynamut2 = outdir + '/dynamut_results/dynamut2/'
 
 # Input file
-#infile_dynamut =  outdir_dynamut + gene + '_dynamut_all_output_clean.csv'
-infile_dynamut2 =  outdir_dynamut2 + gene + '_dynamut2_output_combined_clean.csv'
+#infile_dynamut =  outdir_dynamut + gene.lower() + '_dynamut_all_output_clean.csv'
+infile_dynamut2 =  outdir_dynamut2 + gene.lower() + '_dynamut2_output_combined_clean.csv'
 
 # Formatted output filename
 #outfile_dynamut_f = outdir_dynamut2 + gene + '_dynamut_norm.csv'
-outfile_dynamut2_f = outdir_dynamut2 + gene + '_dynamut2_norm.csv'
+outfile_dynamut2_f = outdir_dynamut2 + gene.lower() + '_dynamut2_norm.csv'
 
 #===============================
 # CALL: format_results_dynamut