diff --git a/bin2pcd_folder.py b/bin2pcd_folder.py
index 7984504..31bff5d 100644
--- a/bin2pcd_folder.py
+++ b/bin2pcd_folder.py
@@ -21,7 +21,9 @@ def bin_to_pcd(binFileName):
 
 
 def main(binFolderName, pcdFolderName):
-    for i in os.listdir(binFolderName):
+    sortedBinFileNames = os.listdir(binFolderName)
+    sortedBinFileNames.sort()
+    for i in sortedBinFileNames:
         if not i.startswith('.'):
             binFileName = binFolderName + '/' + i
             print(i)