diff --git a/arch/arm/mach-mediatek/mt7622/init.c b/arch/arm/mach-mediatek/mt7622/init.c
index 00d3eb9..1f32ff9 100644
--- a/arch/arm/mach-mediatek/mt7622/init.c
+++ b/arch/arm/mach-mediatek/mt7622/init.c
@@ -28,7 +28,7 @@
 	if (ret)
 		return ret;
 
-	gd->ram_size = get_ram_size((void *)gd->ram_base, SZ_2G);
+	gd->ram_size = get_ram_size((void *)gd->ram_base, SZ_1G);
 
 	return 0;
 }