diff --git a/src/apps/serialconnect/SerialWindow.h b/src/apps/serialconnect/SerialWindow.h
index df35443fe2..4bd3816434 100644
--- a/src/apps/serialconnect/SerialWindow.h
+++ b/src/apps/serialconnect/SerialWindow.h
@@ -7,6 +7,7 @@
 #include <Window.h>
 
 
+class BFilePanel;
 class BMenu;
 class TermView;