diff --git a/java/build.xml b/java/build.xml
index 0f1b311ac..e24a0e13c 100644
--- a/java/build.xml
+++ b/java/build.xml
@@ -37,6 +37,7 @@
     <target name="build_android">
         <exec dir="jni" executable="${env.NDK_BUILD_LOC}" failonerror="true">
             <arg value="ZT1=${user.dir}/../"/>
+            <arg value="V=1"/>
         </exec>
         <copy file="libs/armeabi/libZeroTierOneJNI.so" 
               tofile="${user.dir}/classes/lib/armeabi/libZeroTierOneJNI.so" 
diff --git a/java/jni/Application.mk b/java/jni/Application.mk
index 225169bc4..3118ec2e4 100644
--- a/java/jni/Application.mk
+++ b/java/jni/Application.mk
@@ -1,3 +1,4 @@
 APP_ABI := armeabi armeabi-v7a arm64-v8a x86
 APP_STL := gnustl_static
-APP_CPPFLAGS += -Wall -fPIE -fstack-protector -fexceptions
+APP_CPPFLAGS += -Wall -fPIE -fstack-protector -fexceptions -DZT_TRACE
+