diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index ee15b75..7bea305 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -32,7 +32,12 @@
 $(call add_soong_config_var,ANDROID,BOARD_BUILD_SYSTEM_ROOT_IMAGE)
 $(call add_soong_config_var,ANDROID,PRODUCT_INSTALL_DEBUG_POLICY_TO_SYSTEM_EXT)
 
-ifeq (,$(findstring com.google.android.conscrypt,$(PRODUCT_PACKAGES)))
+ifneq (,$(filter sdk win_sdk sdk_addon,$(MAKECMDGOALS)))
+  # The artifacts in the SDK zip are OK to build with prebuilt stubs enabled,
+  # even if prebuilt apexes are not enabled, because the system images in the
+  # SDK stub are not currently used (and will be removed: b/205008975).
+  MODULE_BUILD_FROM_SOURCE ?= false
+else ifeq (,$(findstring com.google.android.conscrypt,$(PRODUCT_PACKAGES)))
   # Prebuilt module SDKs require prebuilt modules to work, and currently
   # prebuilt modules are only provided for com.google.android.xxx. If we can't
   # find one of them in PRODUCT_PACKAGES then assume com.android.xxx are in use,