diff --git a/core/dex_preopt_odex_install.mk b/core/dex_preopt_odex_install.mk
index 82f5f8d..cebbf4c 100644
--- a/core/dex_preopt_odex_install.mk
+++ b/core/dex_preopt_odex_install.mk
@@ -112,8 +112,10 @@
 ifdef LOCAL_VENDOR_MODULE
 $(call pretty-error, Internal error: profiles are not supported for vendor modules)
 else
+ifeq (,$(LOCAL_DEX_PREOPT_APP_IMAGE))
 LOCAL_DEX_PREOPT_APP_IMAGE := true
 endif
+endif
 
 ifndef LOCAL_DEX_PREOPT_PROFILE_CLASS_LISTING
 $(call pretty-error,Must have specified class listing (LOCAL_DEX_PREOPT_PROFILE_CLASS_LISTING))