diff --git a/ci/Jenkinsfile b/ci/Jenkinsfile
index 34535ed608..bda7b5c694 100644
--- a/ci/Jenkinsfile
+++ b/ci/Jenkinsfile
@@ -155,6 +155,12 @@ pipeline {
                                         sh(script: "${HOMEgfs}/ci/scripts/utils/ci_utils_wrapper.sh cancel_all_batch_jobs ${HOME}/RUNTESTS")
                                         ws(HOME) {
                                             if (fileExists('RUNTESTS/error.logs')) {
+                                                def error_logs = sh(script: "cat RUNTESTS/error.logs", returnStdout: true).trim()
+                                                try {
+                                                    pullRequest.comment("Experiment ${Case} failed on ${Machine}\n\nError logs:\n\n${error_logs}")
+                                                } catch (Exception error) {
+                                                    echo "Failed to comment on PR: ${error.getMessage()}"
+                                                }
                                                 def fileContent = readFile 'RUNTESTS/error.logs'
                                                 def lines = fileContent.readLines()
                                                 for (line in lines) {