diff --git a/core/config.mk b/core/config.mk
index 2b7cb7f..b6a3d3f 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -432,6 +432,7 @@
 DOXYGEN:= doxygen
 AAPT := $(HOST_OUT_EXECUTABLES)/aapt$(HOST_EXECUTABLE_SUFFIX)
 AIDL := $(HOST_OUT_EXECUTABLES)/aidl$(HOST_EXECUTABLE_SUFFIX)
+AIDL_CPP := $(HOST_OUT_EXECUTABLES)/aidl-cpp$(HOST_EXECUTABLE_SUFFIX)
 ifeq ($(HOST_OS),linux)
 BREAKPAD_DUMP_SYMS := $(HOST_OUT_EXECUTABLES)/dump_syms
 else