diff --git a/core/Makefile b/core/Makefile
index 7b72f19..ac8b2f2 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -941,7 +941,7 @@
 $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT),$(hide) echo "futility=$(notdir $(FUTILITY))" >> $(1))
 $(if $(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT),$(hide) echo "vboot_signer_cmd=$(VBOOT_SIGNER)" >> $(1))
 $(if $(BOARD_AVB_ENABLE),$(hide) echo "avb_signing_args=$(INTERNAL_AVB_SIGNING_ARGS)" >> $(1))
-$(if $(BOARD_AVB_ENABLE),$(hide) echo "avb_avbtool=$(AVBTOOL)" >> $(1))
+$(if $(BOARD_AVB_ENABLE),$(hide) echo "avb_avbtool=$(notdir $(AVBTOOL))" >> $(1))
 $(if $(BOARD_AVB_ENABLE),$(hide) echo "system_avb_hashtree_enable=$(BOARD_AVB_ENABLE)" >> $(1))
 $(if $(BOARD_AVB_ENABLE),$(hide) echo "system_avb_add_hashtree_footer_args=$(BOARD_AVB_SYSTEM_ADD_HASHTREE_FOOTER_ARGS)" >> $(1))
 $(if $(BOARD_AVB_ENABLE),$(hide) echo "vendor_avb_hashtree_enable=$(BOARD_AVB_ENABLE)" >> $(1))
@@ -1901,6 +1901,7 @@
   $(HOST_OUT_EXECUTABLES)/brillo_update_payload \
   $(HOST_OUT_EXECUTABLES)/lib/shflags/shflags \
   $(HOST_OUT_EXECUTABLES)/delta_generator \
+  $(AVBTOOL) \
   $(BLK_ALLOC_TO_BASE_FS)
 
 ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VBOOT))
@@ -1946,6 +1947,7 @@
 OTATOOLS_DEPS := \
   system/extras/verity/build_verity_metadata.py \
   system/extras/ext4_utils/mke2fs.conf \
+  external/avb/test/data/testkey_rsa4096.pem \
   $(shell find build/target/product/security -type f -name \*.x509.pem -o -name \*.pk8 -o \
       -name verity_key | sort) \
   $(shell find device vendor -type f -name \*.pk8 -o -name verifiedboot\* -o \