diff --git a/PhpUnit/DefinitionHasArgumentConstraint.php b/PhpUnit/DefinitionHasArgumentConstraint.php
index 5e58d68..8f8bbf4 100644
--- a/PhpUnit/DefinitionHasArgumentConstraint.php
+++ b/PhpUnit/DefinitionHasArgumentConstraint.php
@@ -16,7 +16,6 @@ final class DefinitionHasArgumentConstraint extends Constraint
     private string|int $argumentIndex;
     private mixed $expectedValue;
     private bool $checkExpectedValue;
-    private Exporter $exporter;
 
     public function __construct($argumentIndex, $expectedValue, bool $checkExpectedValue = true)
     {
@@ -39,7 +38,6 @@ public function __construct($argumentIndex, $expectedValue, bool $checkExpectedV
         $this->argumentIndex = $argumentIndex;
         $this->expectedValue = $expectedValue;
         $this->checkExpectedValue = $checkExpectedValue;
-        $this->exporter = new Exporter();
     }
 
     public function toString(): string
@@ -107,8 +105,8 @@ private function evaluateArgumentValue(Definition $definition, bool $returnResul
                 sprintf(
                     'The value of argument named "%s" (%s) is not equal to the expected value (%s)',
                     $this->argumentIndex,
-                    $this->exporter->export($actualValue),
-                    $this->exporter->export($this->expectedValue)
+                    $this->exporter()->export($actualValue),
+                    $this->exporter()->export($this->expectedValue)
                 )
             );
         }
@@ -124,15 +122,15 @@ private function evaluateArgumentValue(Definition $definition, bool $returnResul
                 $message = sprintf(
                     'The value of argument named "%s" (%s) is not equal to the expected value (%s)',
                     $this->argumentIndex,
-                    $this->exporter->export($actualValue),
-                    $this->exporter->export($this->expectedValue)
+                    $this->exporter()->export($actualValue),
+                    $this->exporter()->export($this->expectedValue)
                 );
             } else {
                 $message = sprintf(
                     'The value of argument with index %d (%s) is not equal to the expected value (%s)',
                     $this->argumentIndex,
-                    $this->exporter->export($actualValue),
-                    $this->exporter->export($this->expectedValue)
+                    $this->exporter()->export($actualValue),
+                    $this->exporter()->export($this->expectedValue)
                 );
             }