diff --git a/include/toolchain-build.mk b/include/toolchain-build.mk
index b9a94316fc..08054ac9c6 100644
--- a/include/toolchain-build.mk
+++ b/include/toolchain-build.mk
@@ -11,3 +11,5 @@ STAGING_DIR_HOST:=$(TOOLCHAIN_DIR)
 BUILD_DIR_HOST:=$(BUILD_DIR_TOOLCHAIN)
 
 include $(INCLUDE_DIR)/host-build.mk
+
+HOST_STAMP_PREPARED=$(HOST_BUILD_DIR)/.prepared