diff --git a/scripts/travis_before_install.sh b/scripts/travis_before_install.sh
index 5aaed855c..65be1c29d 100755
--- a/scripts/travis_before_install.sh
+++ b/scripts/travis_before_install.sh
@@ -4,13 +4,14 @@ set -e
 set -o pipefail
 
 if [[ "${MASON_PLATFORM}" == "android" ]]; then
-    MASON_PLATFORM= ./.mason/mason install 7z 9.20
+    mapbox_time "unpacking NDK" \
+      $(MASON_PLATFORM= ./.mason/mason install 7z 9.20)
     SEVEN_ZIP_PATH="$(MASON_PLATFORM= ./.mason/mason prefix 7z 9.20)/bin/7za"
     mapbox_time "fetching NDK" \
       wget http://dl.google.com/android/ndk/android-ndk-r10c-linux-x86_64.bin
     chmod a+x ./android-ndk-r10c-linux-x86_64.bin
     mapbox_time "unpacking NDK" \
-      SEVEN_ZIP_PATH x ./android-ndk-r10c-linux-x86_64.bin > /dev/null;
+      $(SEVEN_ZIP_PATH x ./android-ndk-r10c-linux-x86_64.bin > /dev/null);
     export ANDROID_NDK_PATH=$(pwd)/android-ndk-r10c;
 fi