diff --git a/cdk.json b/cdk.json
index dc36022b..7e98f78a 100644
--- a/cdk.json
+++ b/cdk.json
@@ -45,7 +45,8 @@
       "desiredSize": 2, 
       "minSize": 2, 
       "maxSize": 3,
-      "ebsSize": 50
+      "ebsSize": 50,
+      "ebsDeviceName": "/dev/xvda"
     },
     "existing.cluster.name": "single-new-eks-observability-accelerator",
     "existing.kubectl.rolename": "YOUR_KUBECTL_ROLE"
diff --git a/lib/single-new-eks-opensource-observability-pattern/gpu-index.ts b/lib/single-new-eks-opensource-observability-pattern/gpu-index.ts
index e0132f1a..c846a236 100644
--- a/lib/single-new-eks-opensource-observability-pattern/gpu-index.ts
+++ b/lib/single-new-eks-opensource-observability-pattern/gpu-index.ts
@@ -114,7 +114,7 @@ function addGpuNodeGroup(gpuNodeGroupProps: GpuNodeGroupProps): blueprints.Manag
             requireImdsv2: false,
             blockDevices: [
                 {
-                    deviceName: gpuNodeGroupProps.ebsDeviceName ?? "/dev/xvda",
+                    deviceName: gpuNodeGroupProps.ebsDeviceName,
                     volume: ec2.BlockDeviceVolume.ebs(gpuNodeGroupProps.ebsSize),
                 }
             ]