diff --git a/tests/Android.build.mk b/tests/Android.build.mk
index 33e0a0b..5a53685 100644
--- a/tests/Android.build.mk
+++ b/tests/Android.build.mk
@@ -18,6 +18,11 @@
 
 LOCAL_MODULE := $(module)
 LOCAL_MODULE_TAGS := $(module_tag)
+LOCAL_MULTILIB := $(multilib)
+ifeq ($(multilib),both)
+    LOCAL_MODULE_STEM_32 := $(module)32
+    LOCAL_MODULE_STEM_64 := $(module)64
+endif
 
 LOCAL_CLANG := $($(module)_clang_$(build_type))
 
diff --git a/tests/Android.mk b/tests/Android.mk
index d2bcce8..daf9377 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -221,6 +221,7 @@
 
 module := bionic-unit-tests
 module_tag := optional
+multilib := both
 build_type := target
 build_target := NATIVE_TEST
 include $(LOCAL_PATH)/Android.build.mk
@@ -242,6 +243,7 @@
 
 module := bionic-unit-tests-static
 module_tag := optional
+multilib := both
 build_type := target
 build_target := NATIVE_TEST
 include $(LOCAL_PATH)/Android.build.mk