diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e9530261221d1863318d1f0574f6592b8aae4001..f71f8711665bd63ef32aac9c56fa0102f1066ed3 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,6 +29,7 @@ PHPunit:PHP5.3:MySQL:
   services:
     - mysql:5.6
   script:
+    - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpcs -n
     - phpunit
 
@@ -37,6 +38,7 @@ PHPunit:PHP5.6:MySQL:
   services:
     - mysql:5.6
   script:
+    - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpcs -n
     - phpunit
 
@@ -45,6 +47,7 @@ PHPunit:PHP7.0:MySQL:
   services:
     - mysql:5.6
   script:
+    - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpcs -n
     - phpunit
 
@@ -53,6 +56,7 @@ PHPunit:PHP7.1:MySQL:
   services:
     - mysql:5.6
   script:
+    - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpcs -n
     - phpunit
 
@@ -61,5 +65,6 @@ PHPunit:PHP7.2:MySQL:
   services:
     - mysql:5.6
   script:
+    - find . -type "f" -iname "*.php" | xargs -L "1" php -l
     - phpcs -n
     - phpunit