diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 6c9308a..1d028fa 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -50,6 +50,8 @@
 
 ifneq (,$(MODULE_BUILD_FROM_SOURCE))
   # Keep an explicit setting.
+else ifeq (,$(filter docs sdk win_sdk sdk_addon,$(MAKECMDGOALS)))
+  MODULE_BUILD_FROM_SOURCE := true
 else ifneq (,$(PRODUCT_MODULE_BUILD_FROM_SOURCE))
   # Let products override the branch default.
   MODULE_BUILD_FROM_SOURCE := $(PRODUCT_MODULE_BUILD_FROM_SOURCE)