diff --git a/radio/src/gui/480x272/model_setup.cpp b/radio/src/gui/480x272/model_setup.cpp
index 7737b91ea..4261cf6bf 100644
--- a/radio/src/gui/480x272/model_setup.cpp
+++ b/radio/src/gui/480x272/model_setup.cpp
@@ -97,7 +97,7 @@ enum MenuModelSetupItems {
 void onModelSetupBitmapMenu(const char * result)
 {
   if (result == STR_UPDATE_LIST) {
-    if (!sdListFiles(BITMAPS_PATH, BITMAPS_EXT, sizeof(g_model.header.bitmap), NULL)) {
+    if (!sdListFiles(BITMAPS_PATH, BITMAPS_EXT, sizeof(g_model.header.bitmap)-LEN_BITMAPS_EXT, NULL)) {
       POPUP_WARNING(STR_NO_BITMAPS_ON_SD);
     }
   }