diff --git a/walleye/BoardConfig.mk b/walleye/BoardConfig.mk
index 89f83bd..cf98414 100644
--- a/walleye/BoardConfig.mk
+++ b/walleye/BoardConfig.mk
@@ -33,3 +33,5 @@ BOARD_LISA_TARGET_SCRIPTS := device/google/wahoo/lisa/
 # VTS DTBO Verification. This kernel cmdline parameter should be added by the bootloader
 # for all future devices.
 BOARD_KERNEL_CMDLINE += androidboot.dtbo_idx=3
+
+BOARD_EXT4_SHARE_DUP_BLOCKS := true