diff --git a/stacks/pinot-noir-gcc/modules_kuma_h100.yaml b/stacks/pinot-noir-gcc/modules_kuma_h100.yaml
index 997a2e17dbd2183ee05688ae39bbc6a9be1403e4..4599ea4a749e4ffd3b6fcdb239b836e8fb83a7c7 100644
--- a/stacks/pinot-noir-gcc/modules_kuma_h100.yaml
+++ b/stacks/pinot-noir-gcc/modules_kuma_h100.yaml
@@ -7,8 +7,8 @@ modules:
             OMPI_MCA_pml: 'ucx'
             OMPI_MCA_osc: 'ucx'
             UCX_NET_DEVICES: 'mlx5_2:1,mlx5_3:1'
-    nccl:
-      environment:
-        set:
-          NCCL_IB_HCA: 'mlx5_2:1,mlx5_3:1'
-          NCCL_SOCKET_IFNAME: 'bond0'
+      nccl:
+        environment:
+          set:
+            NCCL_IB_HCA: 'mlx5_2:1,mlx5_3:1'
+            NCCL_SOCKET_IFNAME: 'bond0'