diff --git a/.ci/install.sh b/.ci/install.sh
index 37d21fb9c..dc22059f9 100755
--- a/.ci/install.sh
+++ b/.ci/install.sh
@@ -2,8 +2,6 @@
 
 # The script is intended for use on Travis with Trusty distribution
 
-set -x
-
 DIR=$(dirname $0)
 
 # Enable xdebug for code coverage
diff --git a/.ci/run.sh b/.ci/run.sh
index f15a43684..921db2c57 100755
--- a/.ci/run.sh
+++ b/.ci/run.sh
@@ -3,11 +3,12 @@
 # The script is intended for use on Travis with Trusty distribution
 # It executes unit and functional tests
 
-cd ..
+DIR=$(dirname $0)
+cd $DIR/..
 
 if [ "$CODE_COVERAGE" = 1 ]
 then
-    CODE_COVERAGE_ARGS="--coverage-text";
+    CODE_COVERAGE_ARGS="--coverage-text"
 fi
 
 vendor/bin/phpunit -c tests/phpunit.xml $CODE_COVERAGE_ARGS