diff --git a/Zend/tests/attributes/allow_dynamic_properties_on_enum.phpt b/Zend/tests/attributes/allow_dynamic_properties_on_enum.phpt
index b9ab745be9ae7..f1ce8b055b0e0 100644
--- a/Zend/tests/attributes/allow_dynamic_properties_on_enum.phpt
+++ b/Zend/tests/attributes/allow_dynamic_properties_on_enum.phpt
@@ -8,4 +8,4 @@ enum Test {}
 
 ?>
 --EXPECTF--
-Fatal error: Cannot apply #[AllowDynamicProperties] to enum Test in %s on line %d
+Fatal error: Cannot apply #[\AllowDynamicProperties] to enum Test in %s on line %d
diff --git a/Zend/tests/attributes/allow_dynamic_properties_on_interface.phpt b/Zend/tests/attributes/allow_dynamic_properties_on_interface.phpt
index 0428256a18e40..16440a385db14 100644
--- a/Zend/tests/attributes/allow_dynamic_properties_on_interface.phpt
+++ b/Zend/tests/attributes/allow_dynamic_properties_on_interface.phpt
@@ -8,4 +8,4 @@ interface Test {}
 
 ?>
 --EXPECTF--
-Fatal error: Cannot apply #[AllowDynamicProperties] to interface Test in %s on line %d
+Fatal error: Cannot apply #[\AllowDynamicProperties] to interface Test in %s on line %d
diff --git a/Zend/tests/attributes/allow_dynamic_properties_on_trait.phpt b/Zend/tests/attributes/allow_dynamic_properties_on_trait.phpt
index 9636dc03141e5..bd18b3e71c8f1 100644
--- a/Zend/tests/attributes/allow_dynamic_properties_on_trait.phpt
+++ b/Zend/tests/attributes/allow_dynamic_properties_on_trait.phpt
@@ -8,4 +8,4 @@ trait Test {}
 
 ?>
 --EXPECTF--
-Fatal error: Cannot apply #[AllowDynamicProperties] to trait Test in %s on line %d
+Fatal error: Cannot apply #[\AllowDynamicProperties] to trait Test in %s on line %d
diff --git a/Zend/tests/readonly_classes/gh10377_1.phpt b/Zend/tests/readonly_classes/gh10377_1.phpt
index ac421cb8a5171..fba1605ff0849 100644
--- a/Zend/tests/readonly_classes/gh10377_1.phpt
+++ b/Zend/tests/readonly_classes/gh10377_1.phpt
@@ -12,4 +12,4 @@ $readonly_anon = new #[AllowDynamicProperties] readonly class {
 
 ?>
 --EXPECTF--
-Fatal error: Cannot apply #[AllowDynamicProperties] to readonly class class@anonymous in %s on line %d
+Fatal error: Cannot apply #[\AllowDynamicProperties] to readonly class class@anonymous in %s on line %d
diff --git a/Zend/tests/readonly_classes/readonly_class_dynamic_property_attribute.phpt b/Zend/tests/readonly_classes/readonly_class_dynamic_property_attribute.phpt
index ace50c572aced..fab37dccfbf61 100644
--- a/Zend/tests/readonly_classes/readonly_class_dynamic_property_attribute.phpt
+++ b/Zend/tests/readonly_classes/readonly_class_dynamic_property_attribute.phpt
@@ -10,4 +10,4 @@ readonly class Foo
 
 ?>
 --EXPECTF--
-Fatal error: Cannot apply #[AllowDynamicProperties] to readonly class Foo in %s on line %d
+Fatal error: Cannot apply #[\AllowDynamicProperties] to readonly class Foo in %s on line %d
diff --git a/Zend/zend_attributes.c b/Zend/zend_attributes.c
index c3633801be83e..01b16d7d205eb 100644
--- a/Zend/zend_attributes.c
+++ b/Zend/zend_attributes.c
@@ -73,22 +73,22 @@ static void validate_allow_dynamic_properties(
 		zend_attribute *attr, uint32_t target, zend_class_entry *scope)
 {
 	if (scope->ce_flags & ZEND_ACC_TRAIT) {
-		zend_error_noreturn(E_ERROR, "Cannot apply #[AllowDynamicProperties] to trait %s",
+		zend_error_noreturn(E_ERROR, "Cannot apply #[\\AllowDynamicProperties] to trait %s",
 			ZSTR_VAL(scope->name)
 		);
 	}
 	if (scope->ce_flags & ZEND_ACC_INTERFACE) {
-		zend_error_noreturn(E_ERROR, "Cannot apply #[AllowDynamicProperties] to interface %s",
+		zend_error_noreturn(E_ERROR, "Cannot apply #[\\AllowDynamicProperties] to interface %s",
 			ZSTR_VAL(scope->name)
 		);
 	}
 	if (scope->ce_flags & ZEND_ACC_READONLY_CLASS) {
-		zend_error_noreturn(E_ERROR, "Cannot apply #[AllowDynamicProperties] to readonly class %s",
+		zend_error_noreturn(E_ERROR, "Cannot apply #[\\AllowDynamicProperties] to readonly class %s",
 			ZSTR_VAL(scope->name)
 		);
 	}
 	if (scope->ce_flags & ZEND_ACC_ENUM) {
-		zend_error_noreturn(E_ERROR, "Cannot apply #[AllowDynamicProperties] to enum %s",
+		zend_error_noreturn(E_ERROR, "Cannot apply #[\\AllowDynamicProperties] to enum %s",
 			ZSTR_VAL(scope->name)
 		);
 	}