diff --git a/device-husky.mk b/device-husky.mk
index dbf08ce..baa151b 100644
--- a/device-husky.mk
+++ b/device-husky.mk
@@ -36,6 +36,7 @@ DEVICE_PAGE_AGNOSTIC ?= $(if $(filter %_pgagnostic,$(TARGET_PRODUCT)),true,false
 ifeq ($(DEVICE_PAGE_AGNOSTIC),true)
 TARGET_USERDATAIMAGE_FILE_SYSTEM_TYPE := ext4
 TARGET_KERNEL_DIR := $(RELEASE_KERNEL_HUSKY_DIR)/16kb
+TARGET_RW_FILE_SYSTEM_TYPE := ext4
 endif
 
 $(call inherit-product-if-exists, vendor/google_devices/shusky/prebuilts/device-vendor-husky.mk)
diff --git a/device-shiba.mk b/device-shiba.mk
index 9a77be8..bc95cb8 100644
--- a/device-shiba.mk
+++ b/device-shiba.mk
@@ -29,6 +29,7 @@ DEVICE_PAGE_AGNOSTIC ?= $(if $(filter %_pgagnostic,$(TARGET_PRODUCT)),true,false
 ifeq ($(DEVICE_PAGE_AGNOSTIC),true)
 TARGET_USERDATAIMAGE_FILE_SYSTEM_TYPE := ext4
 TARGET_KERNEL_DIR := $(RELEASE_KERNEL_SHIBA_DIR)/16kb
+TARGET_RW_FILE_SYSTEM_TYPE := ext4
 endif
 
 $(call inherit-product-if-exists, vendor/google_devices/shusky/prebuilts/device-vendor-shiba.mk)