diff --git a/install-stack.sh b/install-stack.sh
index efb21d8..0fb5049 100755
--- a/install-stack.sh
+++ b/install-stack.sh
@@ -897,7 +897,11 @@ OFFICE_IP_CHECK=${OFFICE_IP_CHECK:-${OFFICE_IP:-disabled}}
 FRONTEND_PORT=3083
 EOF
 
-  pct exec 117 -- bash -c "cd /opt/cashup && docker compose up -d --build" &>/dev/null
+  local build_out
+  if ! build_out=$(pct exec 117 -- bash -c "cd /opt/cashup && docker compose up -d --build 2>&1"); then
+    msg_error "docker compose build failed in LXC 117:
+${build_out}"
+  fi
 
   msg_info "Waiting for cashup"
   wait_healthy 117 "http://localhost:3083/cashup/api/health" \