diff --git a/lib/functions.sh b/lib/functions.sh
index 112e8d6..9c4f80d 100644
--- a/lib/functions.sh
+++ b/lib/functions.sh
@@ -258,8 +258,8 @@ function clone_repo_if_nonexistent() {
     cd "$target_dir"
 
     # Checkout the specified branch
-    git checkout "$branch_name"
-    echo "Checked out branch '$branch_name'."
+    chown -R bridgehead .
+    su bridgehead -c "git checkout $branch_name"
 
     cd -
 }
@@ -286,8 +286,9 @@ function build_transfair() {
     # 2. There is no data lock file (which means that no ETL has yet been run).
     if ls ../ecdc/data/*.[cC][sS][vV] 1> /dev/null 2>&1 && [ ! -f ../ecdc/data/lock ]; then
         cd $base_dir/transfair
-        git pull
+	su bridgehead -c "git pull"
         docker build --progress=plain -t samply/transfair --no-cache .
+	chown -R bridgehead .
         cd -
     fi
 }
@@ -296,8 +297,9 @@ function build_focus() {
     local base_dir="$1"
 
     cd $base_dir/focus
-    git pull
+    su bridgehead -c "git pull"
     docker build --progress=plain -f DockerfileWithBuild -t samply/focus --no-cache .
+    chown -R bridgehead .
     cd -
 }