diff --git a/src/ArchitectureBundle/Domain/ValueObject/CompositeAggregateIdTrait.php b/src/ArchitectureBundle/Domain/ValueObject/CompositeAggregateIdTrait.php
index 607ed9d..23d6800 100644
--- a/src/ArchitectureBundle/Domain/ValueObject/CompositeAggregateIdTrait.php
+++ b/src/ArchitectureBundle/Domain/ValueObject/CompositeAggregateIdTrait.php
@@ -8,6 +8,7 @@
 use SixtyEightPublishers\ArchitectureBundle\Domain\Exception\InvalidNativeValueTypeException;
 use SixtyEightPublishers\ArchitectureBundle\Domain\Exception\Typehint;
 use function array_key_exists;
+use function array_map;
 use function count;
 use function implode;
 
@@ -155,7 +156,13 @@ public function getValues(): array
 
     public function toString(): string
     {
-        return implode('/', $this->values);
+        return implode(
+            separator: '/',
+            array: array_map(
+                callback: \strval(...),
+                array: $this->values,
+            ),
+        );
     }
 
     public function __toString(): string
diff --git a/src/ArchitectureBundle/Domain/ValueObject/FloatValueTrait.php b/src/ArchitectureBundle/Domain/ValueObject/FloatValueTrait.php
index 867f65e..af51ebf 100644
--- a/src/ArchitectureBundle/Domain/ValueObject/FloatValueTrait.php
+++ b/src/ArchitectureBundle/Domain/ValueObject/FloatValueTrait.php
@@ -45,6 +45,16 @@ public function equals(ValueObjectInterface $object): bool
         return $object instanceof static && $object->toNative() === $this->toNative();
     }
 
+    public function toString(): string
+    {
+        return (string) $this->toNative();
+    }
+
+    public function __toString(): string
+    {
+        return $this->toString();
+    }
+
     protected function validate(): void
     {
     }
diff --git a/src/ArchitectureBundle/Domain/ValueObject/IntegerValueTrait.php b/src/ArchitectureBundle/Domain/ValueObject/IntegerValueTrait.php
index 36af5e8..fb18372 100644
--- a/src/ArchitectureBundle/Domain/ValueObject/IntegerValueTrait.php
+++ b/src/ArchitectureBundle/Domain/ValueObject/IntegerValueTrait.php
@@ -45,6 +45,16 @@ public function equals(ValueObjectInterface $object): bool
         return $object instanceof static && $object->toNative() === $this->toNative();
     }
 
+    public function toString(): string
+    {
+        return (string) $this->toNative();
+    }
+
+    public function __toString(): string
+    {
+        return $this->toString();
+    }
+
     protected function validate(): void
     {
     }
diff --git a/src/ArchitectureBundle/Domain/ValueObject/StringValueTrait.php b/src/ArchitectureBundle/Domain/ValueObject/StringValueTrait.php
index b5e2949..18fc1ea 100644
--- a/src/ArchitectureBundle/Domain/ValueObject/StringValueTrait.php
+++ b/src/ArchitectureBundle/Domain/ValueObject/StringValueTrait.php
@@ -45,6 +45,16 @@ public function equals(ValueObjectInterface $object): bool
         return $object instanceof static && $object->toNative() === $this->toNative();
     }
 
+    public function toString(): string
+    {
+        return $this->toNative();
+    }
+
+    public function __toString(): string
+    {
+        return $this->toString();
+    }
+
     protected function validate(): void
     {
     }