diff --git a/deployments/data100/config/common.yaml b/deployments/data100/config/common.yaml
index 5d5081af6..ef73a4f3f 100644
--- a/deployments/data100/config/common.yaml
+++ b/deployments/data100/config/common.yaml
@@ -120,7 +120,7 @@ jupyterhub:
             subPath: _shared/course/data100-shared-readwrite
       course::1537664::enrollment_type::ta:
         extraVolumeMounts:
-          - name: homes
+          - name: home
             mountPath: /home/jovyan/data100-shared-readwrite
             subPath: _shared/course/data100-shared-readwrite
       course::1537664::enrollment_type::student: