diff --git a/BoardConfig.mk b/BoardConfig.mk
index b949289..3da8976 100644
--- a/BoardConfig.mk
+++ b/BoardConfig.mk
@@ -165,3 +165,6 @@
 TARGET_USES_MKE2FS := true
 
 BOARD_VNDK_VERSION := current
+
+# Generate an APEX image for experiment b/119800099.
+DEXPREOPT_GENERATE_APEX_IMAGE := true