diff --git a/mailpoet/tasks/lint-staged-php.sh b/mailpoet/tasks/lint-staged-php.sh
index eecff3f961..d6a6ac9aa8 100755
--- a/mailpoet/tasks/lint-staged-php.sh
+++ b/mailpoet/tasks/lint-staged-php.sh
@@ -2,7 +2,7 @@
 
 set -e
 
-source $PWD/.env
+. $PWD/.env
 
 if [ "$MP_GIT_HOOKS_ENABLE" != "true" ]; then
   echo "MP_GIT_HOOKS_ENABLE is not set to 'true'. Skipping lint-staged-php."