diff --git a/v2_34_0/CDT-mgmtCmd-v2_34_0.xsd b/v2_34_0/CDT-mgmtCmd-v2_34_0.xsd
index 22ac8c2c13b4f35d9d7147be0c0c070e30d7994e..8bc0a949f00908fe92731317ac480c8a62295e8e 100644
--- a/v2_34_0/CDT-mgmtCmd-v2_34_0.xsd
+++ b/v2_34_0/CDT-mgmtCmd-v2_34_0.xsd
@@ -48,7 +48,7 @@ oneM2M EXPRESSLY ADVISES ANY AND ALL USE OF OR RELIANCE UPON THIS INFORMATION PR
 						<xs:element name="execNumber" type="xs:nonNegativeInteger" minOccurs="0" />
 
 						<!-- Child Resources -->
-						<xs:choice minOccurs="1" maxOccurs="1">
+						<xs:choice minOccurs="0" maxOccurs="1">
 							<xs:element name="childResource" type="m2m:childResourceRef" minOccurs="1" maxOccurs="unbounded" />
 							<xs:choice minOccurs="1" maxOccurs="unbounded">
 								<xs:element ref="m2m:execInstance" />