diff --git a/src/API/Instrumentation/SpanAttribute.php b/src/API/Instrumentation/SpanAttribute.php
index b2dcd1ef8..1a9fa1d13 100644
--- a/src/API/Instrumentation/SpanAttribute.php
+++ b/src/API/Instrumentation/SpanAttribute.php
@@ -11,7 +11,7 @@
  * attribute, adding this attribute to an argument will
  * add the argument as a span attribute.
  */
-#[Attribute(Attribute::TARGET_PROPERTY)]
+#[Attribute(Attribute::TARGET_PARAMETER | Attribute::TARGET_PROPERTY)]
 final class SpanAttribute
 {
     /**
diff --git a/tests/Unit/API/Instrumentation/SpanAttributeTest.php b/tests/Unit/API/Instrumentation/SpanAttributeTest.php
index d6437aa82..cc905ecde 100644
--- a/tests/Unit/API/Instrumentation/SpanAttributeTest.php
+++ b/tests/Unit/API/Instrumentation/SpanAttributeTest.php
@@ -5,7 +5,9 @@
 namespace OpenTelemetry\Tests\Unit\API\Instrumentation;
 
 use OpenTelemetry\API\Instrumentation\SpanAttribute;
+use OpenTelemetry\API\Instrumentation\WithSpan;
 use PHPUnit\Framework\Attributes\CoversClass;
+use PHPUnit\Framework\Attributes\DoesNotPerformAssertions;
 use PHPUnit\Framework\TestCase;
 
 #[CoversClass(SpanAttribute::class)]
@@ -16,4 +18,17 @@ public function test_with_span(): void
         $attr = new SpanAttribute('foo');
         $this->assertSame('foo', $attr->name);
     }
+
+    #[DoesNotPerformAssertions]
+    public function test_attribute_targets_parameter(): void
+    {
+        new class() {
+            #[WithSpan]
+            public function foo(
+                #[SpanAttribute] string $a,
+                #[SpanAttribute('a_better_attribute_name')] string $b,
+            ): void {
+            }
+        };
+    }
 }