diff --git a/docker/main/Makefile.in b/docker/main/Makefile.in
index c8c1e367..b10050f8 100644
--- a/docker/main/Makefile.in
+++ b/docker/main/Makefile.in
@@ -72,11 +72,10 @@ push:
 	sudo docker push $(IMG)
 
 # Start the clixon system container and run the test script
-# sleep is for waiting for start script to run properly before starting tests
 # Note tests will kill the daemons started in the start scrips
 test: docker
 	./cleanup.sh ; PORT=8080 ./start.sh # kill (ignore error) and the start it
-	sleep 1; sudo docker exec -it clixon-system bash -c 'cd /usr/local/bin/test && ./all.sh'
+	sudo docker exec -it clixon-system bash -c 'cd /usr/local/bin/test && ./all.sh'
 
 depend:
 
diff --git a/docker/main/startsystem.sh b/docker/main/startsystem.sh
index e3c772ef..c9fbbd0e 100755
--- a/docker/main/startsystem.sh
+++ b/docker/main/startsystem.sh
@@ -40,7 +40,7 @@
 # See also Dockerfile of the example
 # Log msg, see with docker logs
 
-set -eux
+set -ux # e but clixon_backend may fail if test is run in parallell
 
 >&2 echo "$0"
 
diff --git a/docker/main/startsystem_evhtp.sh b/docker/main/startsystem_evhtp.sh
index fd3cf9ba..f3c4cb0f 100755
--- a/docker/main/startsystem_evhtp.sh
+++ b/docker/main/startsystem_evhtp.sh
@@ -39,7 +39,7 @@
 # See also Dockerfile of the example
 # Log msg, see with docker logs
 
-set -eux
+set -ux # e but clixon_backend may fail if test is run in parallell
 
 >&2 echo "$0"
 
diff --git a/docker/main/startsystem_fcgi.sh b/docker/main/startsystem_fcgi.sh
index 432f3554..329fb9af 100755
--- a/docker/main/startsystem_fcgi.sh
+++ b/docker/main/startsystem_fcgi.sh
@@ -40,7 +40,7 @@
 # See also Dockerfile of the example
 # Log msg, see with docker logs
 
-set -eux
+set -ux # e but clixon_backend may fail if test is run in parallell
 
 >&2 echo "$0"