diff --git a/plugins/mac-avcapture/av-capture.m b/plugins/mac-avcapture/av-capture.m
index 80323aa1903ed65f3d373eed52d8ee1849da7994..648e4609a2462201515d9902fc34ea0945f74b9d 100644
--- a/plugins/mac-avcapture/av-capture.m
+++ b/plugins/mac-avcapture/av-capture.m
@@ -376,7 +376,8 @@ static void *av_capture_create(obs_data_t settings, obs_source_t source)
 	return capture;
 }
 
-static NSArray *presets() {
+static NSArray *presets(void)
+{
 	return @[
 		//AVCaptureSessionPresetPhoto,
 		//AVCaptureSessionPresetLow,