diff --git a/phhgsi_arm_a/BoardConfig.mk b/phhgsi_arm_a/BoardConfig.mk
index f70da88..aeae535 100644
--- a/phhgsi_arm_a/BoardConfig.mk
+++ b/phhgsi_arm_a/BoardConfig.mk
@@ -1,4 +1,5 @@
 include build/make/target/board/generic_arm_a/BoardConfig.mk
 
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1073741824
 TARGET_SYSTEM_PROP := device/phh/treble/system.prop $(TARGET_SYSTEM_PROP)
 BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/phh/treble/bluetooth
diff --git a/phhgsi_arm_ab/BoardConfig.mk b/phhgsi_arm_ab/BoardConfig.mk
index a9abaed..8c04d7e 100644
--- a/phhgsi_arm_ab/BoardConfig.mk
+++ b/phhgsi_arm_ab/BoardConfig.mk
@@ -1,4 +1,5 @@
 include build/make/target/board/generic_arm_ab/BoardConfig.mk
 
+BOARD_SYSTEMIMAGE_PARTITION_SIZE := 1073741824
 TARGET_SYSTEM_PROP := device/phh/treble/system.prop $(TARGET_SYSTEM_PROP)
 BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR := device/phh/treble/bluetooth