diff --git a/core/Makefile b/core/Makefile
index 5e5c735..2052294 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -754,6 +754,7 @@
 	  $(HOST_OUT_EXECUTABLES)/zipalign \
 	  $(HOST_OUT_EXECUTABLES)/aapt \
 	  $(HOST_OUT_EXECUTABLES)/bsdiff \
+	  $(HOST_OUT_EXECUTABLES)/imgdiff \
 	  $(HOST_OUT_JAVA_LIBRARIES)/dumpkey.jar \
 	  $(HOST_OUT_JAVA_LIBRARIES)/signapk.jar