diff --git a/xlsx_dir_map/__main__.py b/xlsx_dir_map/__main__.py
index 871bf6d..dae6747 100644
--- a/xlsx_dir_map/__main__.py
+++ b/xlsx_dir_map/__main__.py
@@ -11,10 +11,8 @@ args = parser.parse_args()
 from spreadsheet import get_names_list 
 
 names = get_names_list(args.file_in, args.cell_range, args.column_groups)
-print(names)
 
 from directory import create_directories
 
 create_directories(args.out, names)
 
-#print(args.column_groups)
diff --git a/xlsx_dir_map/directory.py b/xlsx_dir_map/directory.py
index a856562..744bf48 100644
--- a/xlsx_dir_map/directory.py
+++ b/xlsx_dir_map/directory.py
@@ -1,9 +1,12 @@
 import os
 from pathlib import Path
 
-def create_directory(name):
-    Path(name).mkdir(parents=True, exist_ok=True)
+keepcharacters = (' ', '/', '.', '_')
 
+def create_directory(name):
+    filename = "".join([c for c in name if c.isalnum() or c in keepcharacters]).rstrip()
+    Path(filename).mkdir(parents=True, exist_ok=True)
+    
 def create_directories(outdir, paths):
     for path in paths:
         fullpath = f"{outdir}/{path}" if outdir is not None else path