diff --git a/core/dex_preopt.mk b/core/dex_preopt.mk
index ab06375..7e38ae8 100644
--- a/core/dex_preopt.mk
+++ b/core/dex_preopt.mk
@@ -76,9 +76,7 @@
 $(INTERNAL_PLATFORM_HIDDENAPI_STUB_FLAGS): $(HIDDENAPI) $(HIDDENAPI_STUBS) \
                                            $(HIDDENAPI_STUBS_SYSTEM) $(HIDDENAPI_STUBS_TEST) \
                                            $(HIDDENAPI_STUBS_CORE_PLATFORM)
-	for INPUT_DEX in $(PRIVATE_DEX_INPUTS); do \
-		find `dirname $${INPUT_DEX}` -maxdepth 1 -name "classes*.dex"; \
-	done | sort | sed 's/^/--boot-dex=/' | xargs $(HIDDENAPI) list \
+	$(HIDDENAPI) list $(addprefix --boot-dex=,$(PRIVATE_DEX_INPUTS)) \
 	    --public-stub-classpath=$(call normalize-path-list, $(PRIVATE_HIDDENAPI_STUBS)) \
 	    --public-stub-classpath=$(call normalize-path-list, $(PRIVATE_HIDDENAPI_STUBS_SYSTEM)) \
 	    --public-stub-classpath=$(call normalize-path-list, $(PRIVATE_HIDDENAPI_STUBS_TEST)) \