diff --git a/topology/University of California San Diego/San Diego Supercomputer Center/SDSC-NRP.yaml b/topology/University of California San Diego/San Diego Supercomputer Center/SDSC-NRP.yaml
index 44395146e..1180bc778 100644
--- a/topology/University of California San Diego/San Diego Supercomputer Center/SDSC-NRP.yaml	
+++ b/topology/University of California San Diego/San Diego Supercomputer Center/SDSC-NRP.yaml	
@@ -98,6 +98,6 @@ Resources:
         Description: SDSC NRP FDP OSDF cache
         Details:
           endpoint_override: fdp-cache.nationalresearchplatform.org:8443
-          auth_endpoint_override: sdsc-s3-origin.nationalresearchplatform.org:8443
+          auth_endpoint_override: fdp-cache.nationalresearchplatform.org:8443
     AllowedVOs:
       - ANY