diff --git a/clusterloader2/testing/node-throughput/config.yaml b/clusterloader2/testing/node-throughput/config.yaml
index cd37971538..995e44e2dc 100644
--- a/clusterloader2/testing/node-throughput/config.yaml
+++ b/clusterloader2/testing/node-throughput/config.yaml
@@ -9,7 +9,8 @@
 {{$OPERATION_TIMEOUT := DefaultParam .OPERATION_TIMEOUT "15m"}}
 
 name: node-throughput
-automanagedNamespaces: {{$POD_COUNT}}
+namespace:
+  number: {{$POD_COUNT}}
 tuningSets:
 - name: UniformQPS
   qpsLoad:
diff --git a/clusterloader2/testing/windows-tests/config.yaml b/clusterloader2/testing/windows-tests/config.yaml
index 31221250a3..2883f6c7ba 100644
--- a/clusterloader2/testing/windows-tests/config.yaml
+++ b/clusterloader2/testing/windows-tests/config.yaml
@@ -9,7 +9,8 @@
 {{$OPERATION_TIMEOUT := DefaultParam .CL2_OPERATION_TIMEOUT "90m"}}
 
 name: node-throughput
-automanagedNamespaces: {{$POD_COUNT}}
+namespace:
+  number: {{$POD_COUNT}}
 tuningSets:
 - name: UniformQPS
   qpsLoad: