diff --git a/scripts/smoke-test.sh b/scripts/smoke-test.sh
index dd6364e..54119d3 100755
--- a/scripts/smoke-test.sh
+++ b/scripts/smoke-test.sh
@@ -68,7 +68,7 @@ done
 
 exec_test() {
   local label="$1"; local cmd="$2"
-  if docker exec "$CID" sh -c "$cmd" >/dev/null 2>&1; then
+  if docker exec -u developer "$CID" sh -c "$cmd" >/dev/null 2>&1; then
     printf "  ✅  %s\n" "$label"; PASS=$((PASS+1))
   else
     printf "  ❌  %s\n" "$label"; FAIL=$((FAIL+1))