diff --git a/tools/zipalign/Android.mk b/tools/zipalign/Android.mk
index 9763bd2..089c68b 100644
--- a/tools/zipalign/Android.mk
+++ b/tools/zipalign/Android.mk
@@ -28,6 +28,10 @@
 LOCAL_LDLIBS += -lz
 endif
 
+ifneq ($(strip $(BUILD_HOST_static)),)
+LOCAL_LDLIBS += -lpthread
+endif # BUILD_HOST_static
+
 LOCAL_MODULE := zipalign
 
 include $(BUILD_HOST_EXECUTABLE)