diff --git a/container b/container
index 56c536868..172d8d651 100755
--- a/container
+++ b/container
@@ -180,6 +180,8 @@ exit 0
 '''
 
 SETUP_AND_RUN_TESTS_SCRIPT = '''
+set -x
+
 BACKPORTS_SOURCES_LIST=/etc/apt/sources.list.d/freedombox2.list
 LDAPSCRIPTS_CONF=/etc/ldapscripts/freedombox-ldapscripts.conf
 
diff --git a/plinth/tests/functional/install.sh b/plinth/tests/functional/install.sh
index 846fa9b9c..484de4ac6 100755
--- a/plinth/tests/functional/install.sh
+++ b/plinth/tests/functional/install.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-set -euo pipefail
+set -xeuo pipefail
 IFS=$'\n\t'
 
 echo "Installing requirements"