diff --git a/deployer/typo3-recipe.php b/deployer/typo3-recipe.php
index 3c4b387..a8182ac 100644
--- a/deployer/typo3-recipe.php
+++ b/deployer/typo3-recipe.php
@@ -132,7 +132,11 @@ task('typo3:cache:flush', function () {
 
 task('typo3:cache:warmup', function () {
     cd('{{release_or_current_path}}');
-    run('{{bin/php}} bin/typo3 cache:warmup 2>&1');
+    // Append exit code so run() won't throw before we can read the output
+    $result = run('{{bin/php}} -d display_errors=1 bin/typo3 cache:warmup 2>&1; echo EXIT_CODE:$?');
+    if (!str_contains($result, 'EXIT_CODE:0')) {
+        throw new \RuntimeException("cache:warmup failed:\n" . $result);
+    }
 })->desc('Warmup TYPO3 caches');
 
 task('typo3:language:update', function () {