diff --git a/tests/Android.build.mk b/tests/Android.build.mk
index c1a0f16..e65ec16 100644
--- a/tests/Android.build.mk
+++ b/tests/Android.build.mk
@@ -18,11 +18,19 @@
 
 LOCAL_MODULE := $(module)
 LOCAL_MODULE_TAGS := $(module_tag)
+ifeq ($(build_type),host)
+# Always make host multilib
+LOCAL_MULTILIB := both
+else
 LOCAL_MULTILIB := $($(module)_multilib)
+endif
+
+ifneq ($(findstring LIBRARY, $(build_target)),LIBRARY)
 ifeq ($(LOCAL_MULTILIB),both)
     LOCAL_MODULE_STEM_32 := $(module)32
     LOCAL_MODULE_STEM_64 := $(module)64
 endif
+endif
 
 LOCAL_CLANG := $($(module)_clang_$(build_type))
 
diff --git a/tests/Android.mk b/tests/Android.mk
index 56b1ef1..c2e76b6 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -365,7 +365,7 @@
 #   cd bionic/tests; mm bionic-unit-tests-glibc-run
 # -----------------------------------------------------------------------------
 
-ifeq ($(HOST_OS)-$(HOST_ARCH),linux-x86)
+ifeq ($(HOST_OS)-$(HOST_ARCH),$(filter $(HOST_OS)-$(HOST_ARCH),linux-x86 linux-x86_64))
 
 bionic-unit-tests-glibc_src_files := \
     atexit_test.cpp \