diff --git a/programs/cmm/installer/installer.c b/programs/cmm/installer/installer.c
index 293787528f..fbb1608b6a 100644
--- a/programs/cmm/installer/installer.c
+++ b/programs/cmm/installer/installer.c
@@ -28,6 +28,6 @@ void main()
 	ExitProcess();
 }
 
-void copyf_Draw_Progress(dword filename) { return; }
+void Operation_Draw_Progress(dword filename) { return; }
 
 stop:
\ No newline at end of file