diff --git a/source/arm9/menu_firmloader.c b/source/arm9/menu_firmloader.c
index 22a642f..0bef9db 100644
--- a/source/arm9/menu_firmloader.c
+++ b/source/arm9/menu_firmloader.c
@@ -255,7 +255,7 @@
 		return 0;
 	}
 
-	if(fileSize == 0 || FIRM_MAX_SIZE > FIRM_MAX_SIZE)
+	if(fileSize == 0 || fileSize > FIRM_MAX_SIZE)
 	{
 		f_close(&file);
 		return 0;