diff --git a/cqfd b/cqfd
index 052396e..e4a64af 100755
--- a/cqfd
+++ b/cqfd
@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
-set -e
+set -ex
 
 PROGNAME=$(basename "$0")
 VERSION=5.5.1-dev