diff --git a/src/main.py b/src/main.py
index 12eb628..3ddae8e 100644
--- a/src/main.py
+++ b/src/main.py
@@ -35,7 +35,7 @@ def __init__(self, parent, *args, **kwargs):
 		self.controller = controller.Controller(root, parent, self)
 		
 		# ----------------- VERSION -----------------------
-		self.version = "0.57.0"
+		self.version = "0.57.1"
 		
 		# ----------------- WEEK NUMBER -----------------------
 		year, week_num, day_of_week = datetime.date.today().isocalendar()
diff --git a/src/view/treeview_functions.py b/src/view/treeview_functions.py
index 376abb3..43b1965 100644
--- a/src/view/treeview_functions.py
+++ b/src/view/treeview_functions.py
@@ -66,8 +66,8 @@ def write_data_to_treeview(view, treeview, mode, data, image=None):
 			# if file_extension in branch_tab.filter:
 			# 	filtered = True
 			if not filtered:
-				if file_extension in view.known_file_types.keys():
-					image = view.known_file_types[file_extension]
+				if file_extension.lower() in view.known_file_types.keys():
+					image = view.known_file_types[file_extension.lower()]
 		
 		if not filtered:
 			if len(d) > 1: