diff --git a/ci/scripts/build.sh b/ci/scripts/build.sh
index 763cde2f49cfef652e6ac1436e6d2762a094cb90..22fb87ba690b58beb52cd0389b2297d5c4f304c0 100755
--- a/ci/scripts/build.sh
+++ b/ci/scripts/build.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -feux -o pipefail
+set -feu -o pipefail
 
 if [ $# -ne 4 ]; then
     echo "Usage ./build build_folder CC CXX FC"
diff --git a/ci/scripts/build_and_debug.sh b/ci/scripts/build_and_debug.sh
index 69f32d8e8dac5bb470c66a2b0be5da52374406c3..39dac1707e806fca9dee5cc6d7a6b40ff2d581c3 100755
--- a/ci/scripts/build_and_debug.sh
+++ b/ci/scripts/build_and_debug.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -feux -o pipefail
+set -feu -o pipefail
 
 # /hysop should be mounted as read only by run_tests_in_docker.sh
 if [[ ! -d '/hysop' ]]; then
diff --git a/ci/scripts/build_and_test.sh b/ci/scripts/build_and_test.sh
index 112ad23b34d1689843a4c08fbd735dd447df3d13..3bd1f54a76f9866e668dfc79f4f2fc342dbc740e 100755
--- a/ci/scripts/build_and_test.sh
+++ b/ci/scripts/build_and_test.sh
@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-set -feux -o pipefail
+set -feu -o pipefail
 
 # /hysop should be mounted as read only by run_tests_in_docker.sh
 if [[ ! -d '/hysop' ]]; then
diff --git a/ci/scripts/config.sh b/ci/scripts/config.sh
index 654212515aa4cabbfd7e5e7c00d6b49d5d0eb59e..7343b5172a87542fabccf43bb4e689cf35f5436a 100755
--- a/ci/scripts/config.sh
+++ b/ci/scripts/config.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -feux -o pipefail
+set -feu -o pipefail
 
 if [ $# -ne 5 ]; then
     echo "Usage ./config build_folder install_folder CC CXX FC"
diff --git a/ci/scripts/install.sh b/ci/scripts/install.sh
index 076de1eeab6fc6c0ff0595d57f69c790816a2119..ca04e7e690d82d93abbb1eed440e8739411863a0 100755
--- a/ci/scripts/install.sh
+++ b/ci/scripts/install.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -feux -o pipefail
+set -feu -o pipefail
 
 if [ $# -ne 2 ]; then
     echo "Usage ./install build_folder install_folder"
diff --git a/ci/scripts/test.sh b/ci/scripts/test.sh
index e76aa5a683f440a8a8edbca1a82d9103d818860d..780e47092a388d998d564a60ae8a63aa15db6442 100755
--- a/ci/scripts/test.sh
+++ b/ci/scripts/test.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -feux -o pipefail
+set -feu -o pipefail
 
 PYTHON_EXECUTABLE=${PYTHON_EXECUTABLE:-python2.7}
 
@@ -87,7 +87,7 @@ echo "Default testing OpenCL platform is:"
 ${PYTHON_EXECUTABLE} -c 'import hysop; from hysop.testsenv import iter_clenv; print next(iter(iter_clenv()));'
 
 RUN_TESTS=${RUN_TESTS:-true}
-RUN_EXAMPLES=${RUN_EXAMPLES:-false}
+RUN_EXAMPLES=${RUN_EXAMPLES:-true}
 RUN_LONG_TESTS=${RUN_LONG_TESTS:-false}
 
 COMMON_TEST_OPTIONS=''
diff --git a/ci/scripts/version.sh b/ci/scripts/version.sh
index 69b7fd9687bdee24eaeca08110b75c6f48626cf1..b6bfb5687ab720254bb256f0f25b8ed4f8e1586a 100755
--- a/ci/scripts/version.sh
+++ b/ci/scripts/version.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -feux -o pipefail
+set -feu -o pipefail
 echo "HOST"
 uname -a
 echo