diff --git a/demomgr/constants.py b/demomgr/constants.py
index 7160c94..3830af2 100644
--- a/demomgr/constants.py
+++ b/demomgr/constants.py
@@ -93,7 +93,7 @@ class BULK_OPERATION(IntEnum):
 GUI_UPDATE_WAIT = 30
 
 THEME_SUBDIR = "ui_themes"
-ICON_FILENAME = "_icon.gif"
+ICON_FILENAME = "icon.gif"
 
 # 0: tcl file, 1: theme name, 2: resource dir name
 THEME_PACKAGES = {
diff --git a/demomgr/ui_themes/_icon.gif b/demomgr/ui_themes/_icon.gif
deleted file mode 100644
index 8f77a1a..0000000
Binary files a/demomgr/ui_themes/_icon.gif and /dev/null differ
diff --git a/demomgr/ui_themes/icon.gif b/demomgr/ui_themes/icon.gif
new file mode 100644
index 0000000..736af0a
Binary files /dev/null and b/demomgr/ui_themes/icon.gif differ