diff --git a/samplesheetutils/binaries/create_samplesheet.py b/samplesheetutils/binaries/create_samplesheet.py
index 62d00a1..a67ff1b 100644
--- a/samplesheetutils/binaries/create_samplesheet.py
+++ b/samplesheetutils/binaries/create_samplesheet.py
@@ -139,11 +139,11 @@ def create_samplesheet():
 
         samplesheet_path = args.output_file
 
-        for file_name in file_list:
-            with open(file_name, "r") as fp:
+        for i_file_name in file_list:
+            with open(i_file_name, "r") as fp:
                 fasta_data = read_fasta(fp, read_data=True, single_line=(not args.monomer))
                 sample_data.extend(fasta_data)
-                logger.debug(f"Added sample {file_name}, {fasta_data}")
+                logger.debug(f"Added sample {i_file_name}, {fasta_data}")
 
         samplesheet_path = args.output_file
         logger.debug(f"Sample data array length: {len(sample_data)}")
@@ -154,8 +154,8 @@ def create_samplesheet():
         file_list = [os.path.join(args.dir, f) for f in os.listdir(args.dir) if os.path.isfile(os.path.join(args.dir, f)) and re.search(args.fasta_regex, f)]
         sample_data = []
 
-        for file_name in file_list:
-            with open(file_name, "r") as file_fp:
+        for i_file_name in file_list:
+            with open(i_file_name, "r") as file_fp:
                 sample_data.extend(read_fasta(file_fp, read_data=True, single_line=False))
 
         samplesheet_path = args.output_file
@@ -168,21 +168,21 @@ def create_samplesheet():
         logger.debug(f"File list aginst regex: {file_list}")
         sample_data = []
 
-        for file_name in file_list:
-            with open(file_name, "r") as fp:
+        for i_file_name in file_list:
+            with open(i_file_name, "r") as fp:
                 fasta_data = read_fasta(fp, read_data=True, single_line=False)
                 # Attempt to find MSA if the MSA directory flag is set
                 if args.msa_dir:
-                    logger.debug(f"Searching for MSAs of {file_name}")
+                    logger.debug(f"Searching for MSAs of {i_file_name}")
                     for fsi, i in zip(fasta_data, range(len(fasta_data))):
                         logger.debug("Checking for " + os.path.join(args.msa_dir, f"{fsi.name}.m3a"))
                         if os.path.isfile(os.path.join(args.msa_dir, f"{fsi.name}.m3a")):
                                 fasta_data[i].msa = os.path.join(args.msa_dir, f"{fsi.name}.m3a")
-                                logger.debug(f"Added pre-computed MSA for sample {fsi.name} of {file_name}: {fsi.msa}")
+                                logger.debug(f"Added pre-computed MSA for sample {fsi.name} of {i_file_name}: {fsi.msa}")
                         else:
-                            logger.debug(f"Corresponding MSA for sample {fsi.name} of {file_name} was not found, despite --msa-dir being set. Expected file name is {fsi.name}.m3a. Continuing with no MSA...") 
+                            logger.debug(f"Corresponding MSA for sample {fsi.name} of {i_file_name} was not found, despite --msa-dir being set. Expected file name is {fsi.name}.m3a. Continuing with no MSA...") 
                 sample_data.extend(fasta_data)
-                logger.debug(f"Added sample {file_name}, {fasta_data}")
+                logger.debug(f"Added sample {i_file_name}, {fasta_data}")
                 logger.debug(f"Sample data {sample_data[-1].data}")
 
         if args.output_file == "samplesheet.csv":