diff --git a/ci/Jenkinsfile b/ci/Jenkinsfile
index 1270b8c..118ce36 100644
--- a/ci/Jenkinsfile
+++ b/ci/Jenkinsfile
@@ -23,6 +23,11 @@ pipeline {
     }
 
     post {
+        failure {
+            sh 'command -v clang'
+            sh 'command -v aarch64-unknown-linux-gnu-clang'
+        }
+
         success {
             dir('/home/jenkins/agent/_build/images') {
                 sh 'zstd --rm sdcard.img & zstd --rm firmware.img & wait'