diff --git a/spring-context/src/main/resources/org/springframework/scheduling/config/spring-task-3.2.xsd b/spring-context/src/main/resources/org/springframework/scheduling/config/spring-task-3.2.xsd
index ff035ece272..34b479d12cb 100644
--- a/spring-context/src/main/resources/org/springframework/scheduling/config/spring-task-3.2.xsd
+++ b/spring-context/src/main/resources/org/springframework/scheduling/config/spring-task-3.2.xsd
@@ -229,7 +229,7 @@
  				]]></xsd:documentation>
 			</xsd:annotation>
 		</xsd:attribute>
-		<xsd:attribute name="initial-delay" type="xsd:int" use="optional">
+		<xsd:attribute name="initial-delay" type="xsd:string" use="optional">
 			<xsd:annotation>
 				<xsd:documentation><![CDATA[
 	Number of milliseconds to delay before the first execution of a 'fixed-rate' or