diff --git a/bootstrap.sh b/bootstrap.sh
index 32e1db0fc..7f369aca0 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -19,7 +19,7 @@ function setup_mason() {
         (cd ./.mason && git checkout ${MASON_VERSION})
     else
         echo "Updating to latest mason"
-        (cd ./.mason && git fetch && git checkout ${MASON_VERSION} && git pull)
+        (cd ./.mason && git fetch && git checkout ${MASON_VERSION} && git pull origin ${MASON_VERSION})
     fi
     export PATH=$(pwd)/.mason:$PATH
     export CXX=${CXX:-clang++}