diff --git a/tests/Unit/Exception/UnresolvableParameterExceptionTest.php b/tests/Unit/Exception/UnresolvableParameterExceptionTest.php
index 1f7ee48..81c5d83 100644
--- a/tests/Unit/Exception/UnresolvableParameterExceptionTest.php
+++ b/tests/Unit/Exception/UnresolvableParameterExceptionTest.php
@@ -23,8 +23,6 @@
 use Tests\Unit\AbstractTestCase;
 use Throwable;
 
-use function sprintf;
-
 #[CoversClass(UnresolvableParameterException::class)]
 #[CoversClass(Aliases::class)]
 #[CoversClass(Bindings::class)]
@@ -47,7 +45,7 @@ final class UnresolvableParameterExceptionTest extends AbstractTestCase
     public function testContainerBuild(): void
     {
         $this->assertException(UnresolvableParameterException::class);
-        $this->expectExceptionMessage(sprintf(
+        $this->expectExceptionMessage(\sprintf(
             'Unresolvable class parameter "$number" in "%s::%s"; does not have a default value.',
             UnresolvableParameter::class,
             '__construct()'
@@ -62,7 +60,7 @@ public function testContainerBuild(): void
     public function testContainerCall(): void
     {
         $this->assertException(UnresolvableParameterException::class);
-        $this->expectExceptionMessage(sprintf(
+        $this->expectExceptionMessage(\sprintf(
             'Unresolvable function parameter "%s" in "%s"; does not have a default value.',
             '$event',
             'Tests\Fixture\typelessFunction()',