diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index fe781345eb..64a6449e04 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -72,7 +72,7 @@ else
   # This sets the default for building ART APEXes from source rather than
   # prebuilts (in packages/modules/ArtPrebuilt and prebuilt/module_sdk/art) in
   # all other platform builds.
-  SOONG_CONFIG_art_module_source_build ?= false
+  SOONG_CONFIG_art_module_source_build ?= true
 endif
 
 # Apex build mode variables