diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 3a0c0f1..5b24881 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -33,7 +33,17 @@
   $(call add_soong_config_namespace,art_module)
   SOONG_CONFIG_art_module += source_build
 endif
-SOONG_CONFIG_art_module_source_build ?= true
+ifneq (,$(filter true,$(NATIVE_COVERAGE) $(CLANG_COVERAGE)))
+  # Always build ART APEXes from source in coverage builds since the prebuilts
+  # aren't built with instrumentation.
+  # TODO(b/172480617): Find another solution for this.
+  SOONG_CONFIG_art_module_source_build := true
+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 ?= true
+endif
 
 # Apex build mode variables
 ifdef APEX_BUILD_FOR_PRE_S_DEVICES