diff --git a/modules/audio/Android.mk b/modules/audio/Android.mk
index 49ed312..84d8203 100644
--- a/modules/audio/Android.mk
+++ b/modules/audio/Android.mk
@@ -27,6 +27,7 @@
 LOCAL_SRC_FILES := audio_hw.c
 LOCAL_SHARED_LIBRARIES := liblog libcutils
 LOCAL_MODULE_TAGS := optional
+LOCAL_32_BIT_ONLY := true
 
 include $(BUILD_SHARED_LIBRARY)
 
@@ -39,5 +40,6 @@
 LOCAL_SRC_FILES := audio_policy.c
 LOCAL_SHARED_LIBRARIES := liblog libcutils
 LOCAL_MODULE_TAGS := optional
+LOCAL_32_BIT_ONLY := true
 
 include $(BUILD_SHARED_LIBRARY)
diff --git a/modules/audio_remote_submix/Android.mk b/modules/audio_remote_submix/Android.mk
index 50c8cb2..d718c76 100644
--- a/modules/audio_remote_submix/Android.mk
+++ b/modules/audio_remote_submix/Android.mk
@@ -26,5 +26,6 @@
 LOCAL_SHARED_LIBRARIES := liblog libcutils libutils libnbaio
 LOCAL_STATIC_LIBRARIES := libmedia_helper
 LOCAL_MODULE_TAGS := optional
+LOCAL_32_BIT_ONLY := true
 include $(BUILD_SHARED_LIBRARY)
 
diff --git a/modules/usbaudio/Android.mk b/modules/usbaudio/Android.mk
index 199eb09..2acd171 100644
--- a/modules/usbaudio/Android.mk
+++ b/modules/usbaudio/Android.mk
@@ -24,6 +24,7 @@
 	external/tinyalsa/include
 LOCAL_SHARED_LIBRARIES := liblog libcutils libtinyalsa
 LOCAL_MODULE_TAGS := optional
+LOCAL_32_BIT_ONLY := true
 
 include $(BUILD_SHARED_LIBRARY)