diff --git a/board/mochabin/config.mk b/board/mochabin/config.mk
index b9aee7ac..adc0d4f6 100644
--- a/board/mochabin/config.mk
+++ b/board/mochabin/config.mk
@@ -60,5 +60,6 @@ SFP_IFACES=eth5 eth6
 DPI_MODE=inline
 SWAP_SIZE=0
 
-# Image size: 4G for 8GB eMMC (MOCHAbin has 8GB eMMC + SATA)
-IMG_SIZE="4G"
+# Image size: 8G for full install with slipstream packages
+# MOCHAbin has 8GB eMMC + SATA, use SATA or larger SD for full install
+IMG_SIZE="8G"