diff --git a/buildserver/provision-android-ndk b/buildserver/provision-android-ndk
index 3c9b0a6a..80411b34 100644
--- a/buildserver/provision-android-ndk
+++ b/buildserver/provision-android-ndk
@@ -17,8 +17,8 @@ if [ ! -e $ANDROID_NDK_HOME/r9b ]; then
     else
         SUFFIX=''
     fi
-    tar jxvf /vagrant/cache/android-ndk-r9b-linux-x86$SUFFIX.tar.bz2
-    tar jxvf /vagrant/cache/android-ndk-r9b-linux-x86$SUFFIX-legacy-toolchains.tar.bz2
+    tar xjf /vagrant/cache/android-ndk-r9b-linux-x86$SUFFIX.tar.bz2
+    tar xjf /vagrant/cache/android-ndk-r9b-linux-x86$SUFFIX-legacy-toolchains.tar.bz2
     mv android-ndk-r9b r9b
 fi
 
diff --git a/buildserver/provision-android-sdk b/buildserver/provision-android-sdk
index 5560ecb1..907b2489 100644
--- a/buildserver/provision-android-sdk
+++ b/buildserver/provision-android-sdk
@@ -43,7 +43,7 @@ for f in `ls -1 build-tools*.zip`; do
 done
 
 ${ANDROID_HOME}/tools/android --silent update sdk --no-ui --all \
-    --filter platform-tools,extra-android-m2repository${cached} <<EOH
+    --filter platform-tools,extra-android-m2repository${cached} > /dev/null <<EOH
 y
 
 EOH