diff --git a/internal/monitoring/temperature.go b/internal/monitoring/temperature.go
index 256ef9f..0a921c7 100644
--- a/internal/monitoring/temperature.go
+++ b/internal/monitoring/temperature.go
@@ -297,11 +297,18 @@ func (tc *TemperatureCollector) parseCPUTemps(chipMap map[string]interface{}, te
 			continue
 		}
 
-		// Look for Package id (Intel) or Tdie (AMD)
-		if strings.Contains(sensorName, "Package id") || strings.Contains(sensorName, "Tdie") {
+		sensorNameLower := strings.ToLower(sensorName)
+
+		// Look for Package id (Intel) or Tdie/Tctl (AMD control loop temperature)
+		if strings.Contains(sensorName, "Package id") ||
+			strings.Contains(sensorName, "Tdie") ||
+			strings.Contains(sensorNameLower, "tctl") {
 			if tempVal := extractTempInput(sensorMap); !math.IsNaN(tempVal) {
 				temp.CPUPackage = tempVal
 				foundPackageTemp = true
+				if tempVal > temp.CPUMax {
+					temp.CPUMax = tempVal
+				}
 			}
 		}
 
diff --git a/internal/monitoring/temperature_test.go b/internal/monitoring/temperature_test.go
index d2d58eb..5712f6b 100644
--- a/internal/monitoring/temperature_test.go
+++ b/internal/monitoring/temperature_test.go
@@ -133,6 +133,36 @@ func TestParseSensorsJSON_WithCpuAndNvmeData(t *testing.T) {
 	}
 }
 
+func TestParseSensorsJSON_WithAmdTctlOnly(t *testing.T) {
+	collector := &TemperatureCollector{}
+
+	jsonStr := `{
+		"k10temp-pci-00c3": {
+			"Tctl": {"temp1_input": 55.4}
+		}
+	}`
+
+	temp, err := collector.parseSensorsJSON(jsonStr)
+	if err != nil {
+		t.Fatalf("unexpected error parsing sensors output: %v", err)
+	}
+	if temp == nil {
+		t.Fatalf("expected temperature struct, got nil")
+	}
+	if !temp.Available {
+		t.Fatalf("expected temperature to be available when Tctl reading present")
+	}
+	if !temp.HasCPU {
+		t.Fatalf("expected HasCPU to be true when AMD Tctl is present")
+	}
+	if temp.CPUPackage != 55.4 {
+		t.Fatalf("expected cpu package temperature 55.4, got %.2f", temp.CPUPackage)
+	}
+	if temp.CPUMax != 55.4 {
+		t.Fatalf("expected cpu max temperature to follow Tctl value, got %.2f", temp.CPUMax)
+	}
+}
+
 func TestParseSensorsJSON_RPiWrapper(t *testing.T) {
 	collector := &TemperatureCollector{}