diff --git a/src/Entity/Property/EnvironmentsPropertyAwareTrait.php b/src/Entity/Property/EnvironmentsPropertyAwareTrait.php
index 1fd64d23..22eb7103 100644
--- a/src/Entity/Property/EnvironmentsPropertyAwareTrait.php
+++ b/src/Entity/Property/EnvironmentsPropertyAwareTrait.php
@@ -31,7 +31,7 @@ trait EnvironmentsPropertyAwareTrait
      *
      * @return string[]
      */
-    public function getEnvironments(): ?array
+    public function getEnvironments(): array
     {
         return $this->environments;
     }
diff --git a/src/Entity/Property/EnvironmentsPropertyInterface.php b/src/Entity/Property/EnvironmentsPropertyInterface.php
index 4b728000..176723c3 100644
--- a/src/Entity/Property/EnvironmentsPropertyInterface.php
+++ b/src/Entity/Property/EnvironmentsPropertyInterface.php
@@ -26,7 +26,7 @@ interface EnvironmentsPropertyInterface
     /**
      * @return string[]
      */
-    public function getEnvironments(): ?array;
+    public function getEnvironments(): array;
 
     /**
      * @param string ...$environments