diff --git a/internal/pkg/integration_test/collector_test.go b/internal/pkg/integration_test/collector_test.go
index 7a2099e8..5c186575 100644
--- a/internal/pkg/integration_test/collector_test.go
+++ b/internal/pkg/integration_test/collector_test.go
@@ -769,7 +769,7 @@ func TestXIDCollector_Gather_Encode(t *testing.T) {
 		assert.NotEmpty(t, *mv.Label[2].Value)
 		assert.Equal(t, "device", *mv.Label[3].Name)
 		assert.Equal(t, "modelName", *mv.Label[4].Name)
-		assert.Equal(t, "Hostname", *mv.Label[5].Name)
+		assert.Equal(t, "hostname", *mv.Label[5].Name)
 		assert.Equal(t, "window_size_in_ms", *mv.Label[6].Name)
 		assert.Equal(t, "xid", *mv.Label[7].Name)
 		assert.NotEmpty(t, *mv.Label[7].Value)
diff --git a/internal/pkg/rendermetrics/render_metrics.go b/internal/pkg/rendermetrics/render_metrics.go
index 712fc750..7b171115 100644
--- a/internal/pkg/rendermetrics/render_metrics.go
+++ b/internal/pkg/rendermetrics/render_metrics.go
@@ -44,7 +44,7 @@ var (
 # HELP {{ $counter.FieldName }} {{ $counter.Help }}
 # TYPE {{ $counter.FieldName }} {{ $counter.PromType }}
 {{- range $metric := $metrics }}
-{{ $counter.FieldName }}{gpu="{{ $metric.GPU }}",{{ $metric.UUID }}="{{ $metric.GPUUUID }}",pci_bus_id="{{ $metric.GPUPCIBusID }}",device="{{ $metric.GPUDevice }}",modelName="{{ $metric.GPUModelName }}"{{if $metric.MigProfile}},GPU_I_PROFILE="{{ $metric.MigProfile }}",GPU_I_ID="{{ $metric.GPUInstanceID }}"{{end}}{{if $metric.Hostname }},Hostname="{{ $metric.Hostname }}"{{end}}
+{{ $counter.FieldName }}{gpu="{{ $metric.GPU }}",{{ $metric.UUID }}="{{ $metric.GPUUUID }}",pci_bus_id="{{ $metric.GPUPCIBusID }}",device="{{ $metric.GPUDevice }}",modelName="{{ $metric.GPUModelName }}"{{if $metric.MigProfile}},GPU_I_PROFILE="{{ $metric.MigProfile }}",GPU_I_ID="{{ $metric.GPUInstanceID }}"{{end}}{{if $metric.Hostname }},hostname="{{ $metric.Hostname }}"{{end}}
 
 {{- range $k, $v := $metric.Labels -}}
 	,{{ $k }}="{{ $v }}"
@@ -80,7 +80,7 @@ var (
 # HELP {{ $counter.FieldName }} {{ $counter.Help }}
 # TYPE {{ $counter.FieldName }} {{ $counter.PromType }}
 {{- range $metric := $metrics }}
-{{ $counter.FieldName }}{nvswitch="{{ $metric.NvSwitch }}"{{if $metric.Hostname }},Hostname="{{ $metric.Hostname }}"{{end}}
+{{ $counter.FieldName }}{nvswitch="{{ $metric.NvSwitch }}"{{if $metric.Hostname }},hostname="{{ $metric.Hostname }}"{{end}}
 
 {{- range $k, $v := $metric.Labels -}}
 	,{{ $k }}="{{ $v }}"
@@ -94,7 +94,7 @@ var (
 # HELP {{ $counter.FieldName }} {{ $counter.Help }}
 # TYPE {{ $counter.FieldName }} {{ $counter.PromType }}
 {{- range $metric := $metrics }}
-{{ $counter.FieldName }}{cpu="{{ $metric.GPU }}"{{if $metric.Hostname }},Hostname="{{ $metric.Hostname }}"{{end}}
+{{ $counter.FieldName }}{cpu="{{ $metric.GPU }}"{{if $metric.Hostname }},hostname="{{ $metric.Hostname }}"{{end}}
 
 {{- range $k, $v := $metric.Labels -}}
 	,{{ $k }}="{{ $v }}"
@@ -108,7 +108,7 @@ var (
 # HELP {{ $counter.FieldName }} {{ $counter.Help }}
 # TYPE {{ $counter.FieldName }} {{ $counter.PromType }}
 {{- range $metric := $metrics }}
-{{ $counter.FieldName }}{cpucore="{{ $metric.GPU }}",cpu="{{ $metric.GPUDevice }}"{{if $metric.Hostname }},Hostname="{{ $metric.Hostname }}"{{end}}
+{{ $counter.FieldName }}{cpucore="{{ $metric.GPU }}",cpu="{{ $metric.GPUDevice }}"{{if $metric.Hostname }},hostname="{{ $metric.Hostname }}"{{end}}
 
 {{- range $k, $v := $metric.Labels -}}
 	,{{ $k }}="{{ $v }}"
diff --git a/internal/pkg/rendermetrics/render_metrics_test.go b/internal/pkg/rendermetrics/render_metrics_test.go
index 1947ca91..d632eacc 100644
--- a/internal/pkg/rendermetrics/render_metrics_test.go
+++ b/internal/pkg/rendermetrics/render_metrics_test.go
@@ -73,7 +73,7 @@ func Test_render(t *testing.T) {
 			metrics: metrics,
 			want: `# HELP TEST_METRIC 
 # TYPE TEST_METRIC gauge
-TEST_METRIC{gpu="0",test-uuid="GPU-test-uuid-0000-0000-0000-000000000000",pci_bus_id="",device="testdevice",modelName="Test GPU Model",Hostname="testhost"} 42
+TEST_METRIC{gpu="0",test-uuid="GPU-test-uuid-0000-0000-0000-000000000000",pci_bus_id="",device="testdevice",modelName="Test GPU Model",hostname="testhost"} 42
 `,
 		},
 		{
@@ -82,7 +82,7 @@ TEST_METRIC{gpu="0",test-uuid="GPU-test-uuid-0000-0000-0000-000000000000",pci_bu
 			metrics: metrics,
 			want: `# HELP TEST_METRIC 
 # TYPE TEST_METRIC gauge
-TEST_METRIC{nvswitch="0",Hostname="testhost"} 42
+TEST_METRIC{nvswitch="0",hostname="testhost"} 42
 `,
 		},
 		{
@@ -100,7 +100,7 @@ TEST_METRIC{nvlink="0",nvswitch="0",gpu="0",gpu_uuid="GPU-test-uuid-0000-0000-00
 			metrics: metrics,
 			want: `# HELP TEST_METRIC 
 # TYPE TEST_METRIC gauge
-TEST_METRIC{cpu="0",Hostname="testhost"} 42
+TEST_METRIC{cpu="0",hostname="testhost"} 42
 `,
 		},
 		{
@@ -109,7 +109,7 @@ TEST_METRIC{cpu="0",Hostname="testhost"} 42
 			metrics: metrics,
 			want: `# HELP TEST_METRIC 
 # TYPE TEST_METRIC gauge
-TEST_METRIC{cpucore="0",cpu="testdevice",Hostname="testhost"} 42
+TEST_METRIC{cpucore="0",cpu="testdevice",hostname="testhost"} 42
 `,
 		},
 		{
diff --git a/internal/pkg/server/server_test.go b/internal/pkg/server/server_test.go
index 07fdad61..8f61c0ef 100644
--- a/internal/pkg/server/server_test.go
+++ b/internal/pkg/server/server_test.go
@@ -44,7 +44,7 @@ import (
 
 const expectedResponse = `# HELP TEST_METRIC 
 # TYPE TEST_METRIC gauge
-TEST_METRIC{gpu="0",UUID="GPU-00000000-0000-0000-0000-000000000000",pci_bus_id="",device="nvidia0",modelName="NVIDIA T400 4GB",Hostname="testhost"} 42
+TEST_METRIC{gpu="0",UUID="GPU-00000000-0000-0000-0000-000000000000",pci_bus_id="",device="nvidia0",modelName="NVIDIA T400 4GB",hostname="testhost"} 42
 `
 
 var deviceWatcher = devicewatcher.NewDeviceWatcher()