diff --git a/Dockerfile b/Dockerfile
index 560ce4ef..1d7149fb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,6 @@ WORKDIR $BUILD/$APPNAME
 RUN chown build .
 USER build
 ARG BUILD_DOC=0
-RUN cmake $SRC/$APPNAME -DTRIQS_ROOT=${INSTALL} -DBuild_Documentation=${BUILD_DOC} && make -j2 && make test
+RUN cmake $SRC/$APPNAME -DTRIQS_ROOT=${INSTALL} -DBuild_Documentation=${BUILD_DOC} && make -j2 && make test CTEST_OUTPUT_ON_FAILURE=1
 USER root
 RUN make install
diff --git a/Jenkinsfile b/Jenkinsfile
index 8c5b73b5..d0f1d409 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -75,7 +75,7 @@ for (int i = 0; i < osxPlatforms.size(); i++) {
         sh "cmake $srcDir -DCMAKE_INSTALL_PREFIX=$installDir -DTRIQS_ROOT=$triqsDir"
         sh "make -j3"
         try {
-          sh "make test"
+          sh "make test CTEST_OUTPUT_ON_FAILURE=1"
         } catch (exc) {
           archiveArtifacts(artifacts: 'Testing/Temporary/LastTest.log')
           throw exc