diff --git a/root/target/linux/mediatek/mt7623/config-4.14 b/root/target/linux/mediatek/mt7623/config-4.14
index 549582be..8c313eb7 100644
--- a/root/target/linux/mediatek/mt7623/config-4.14
+++ b/root/target/linux/mediatek/mt7623/config-4.14
@@ -73,7 +73,7 @@ CONFIG_CLEANCACHE=y
 CONFIG_CLKDEV_LOOKUP=y
 CONFIG_CLKSRC_MMIO=y
 CONFIG_CLONE_BACKWARDS=y
-CONFIG_CMDLINE="earlyprintk console=ttyS0,115200 vmalloc=476M"
+CONFIG_CMDLINE="earlyprintk console=ttyS0,115200 vmalloc=768M"
 CONFIG_CMDLINE_EXTEND=y
 CONFIG_COMMON_CLK=y
 CONFIG_COMMON_CLK_MEDIATEK=y