diff --git a/internal/page/AudioDevices_test.go b/internal/page/AudioDevices_test.go
index 8ec4695..20eee7b 100644
--- a/internal/page/AudioDevices_test.go
+++ b/internal/page/AudioDevices_test.go
@@ -12,6 +12,10 @@ func TestCurrentDeviceIndex(t *testing.T) {
 		{Name: "Built-in Audio Digital Stereo (HDMI)", Label: "HDMI | Monitor | TV"},
 	}
 
+	singleDevice := []mixer.Device{
+		{Name: "Built-in Audio Analog Stereo", Label: "Internal Speakers"},
+	}
+
 	tests := []struct {
 		name        string
 		devices     []mixer.Device
@@ -24,6 +28,9 @@ func TestCurrentDeviceIndex(t *testing.T) {
 		{"exact first device match", devices, "Built-in Audio Analog Stereo", 1},
 		{"exact second device match", devices, "Built-in Audio Digital Stereo (HDMI)", 2},
 		{"no match", devices, "USB Audio", -1},
+		{"single device, default", singleDevice, "", 0},
+		{"single device, exact match", singleDevice, "Built-in Audio Analog Stereo", 1},
+		{"single device, no match", singleDevice, "USB Audio", -1},
 	}
 
 	for _, tt := range tests {