diff --git a/Jenkinsfile b/Jenkinsfile
index 2db0c0ed..d6c6d8d5 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -88,7 +88,7 @@ for (int i = 0; i < osxPlatforms.size(); i++) {
         /* note: this is installing into the parent (triqs) venv (install dir), which is thus shared among apps and so not be completely safe */
         sh "pip3 install -U -r $srcDir/requirements.txt"
         sh "cmake $srcDir -DCMAKE_INSTALL_PREFIX=$installDir -DTRIQS_ROOT=$triqsDir -DBuild_Deps=Always"
-        sh "make -j2"
+        sh "make -j2 || make -j1 VERBOSE=1"
         catchError(buildResult: 'UNSTABLE', stageResult: 'UNSTABLE') { try {
           sh "make test CTEST_OUTPUT_ON_FAILURE=1"
         } catch (exc) {