diff --git a/sdk/lib/drivers/rdbsslib/rdbss.c b/sdk/lib/drivers/rdbsslib/rdbss.c
index 4591f3bd72a..4f888c8c134 100644
--- a/sdk/lib/drivers/rdbsslib/rdbss.c
+++ b/sdk/lib/drivers/rdbsslib/rdbss.c
@@ -7492,7 +7492,7 @@ RxPrefixClaim(
         RxContext->PrefixClaim.SuppliedPathName.MaximumLength = QueryRequest->PathNameLength;
 
         /* Zero the create parameters */
-        RtlZeroMemory(&RxContext->Create.NtCreateParameters,
+        RtlZeroMemory(&RxContext->Create,
                       FIELD_OFFSET(RX_CONTEXT, AlsoCanonicalNameBuffer) - FIELD_OFFSET(RX_CONTEXT, Create.NtCreateParameters));
         RxContext->Create.ThisIsATreeConnectOpen = TRUE;
         RxContext->Create.NtCreateParameters.SecurityContext = QueryRequest->SecurityContext;