diff --git a/gtk2_ardour/level_meter.cc b/gtk2_ardour/level_meter.cc
index 308e198c95..cdedff1ae2 100644
--- a/gtk2_ardour/level_meter.cc
+++ b/gtk2_ardour/level_meter.cc
@@ -149,25 +149,25 @@ LevelMeterBase::update_meters ()
 			if (n < nmidi) {
 				(*i).meter->set (_meter->meter_level (n, MeterPeak));
 			} else {
-				MeterType _meter_type = _meter->meter_type ();
-				const float peak = _meter->meter_level (n, _meter_type);
-				if (_meter_type == MeterPeak) {
+				MeterType meter_type = _meter->meter_type ();
+				const float peak = _meter->meter_level (n, meter_type);
+				if (meter_type == MeterPeak) {
 					(*i).meter->set (log_meter (peak));
-				} else if (_meter_type == MeterPeak0dB) {
+				} else if (meter_type == MeterPeak0dB) {
 					(*i).meter->set (log_meter0dB (peak));
-				} else if (_meter_type == MeterIEC1NOR) {
+				} else if (meter_type == MeterIEC1NOR) {
 					(*i).meter->set (meter_deflect_nordic (peak + meter_lineup(0)));
-				} else if (_meter_type == MeterIEC1DIN) {
+				} else if (meter_type == MeterIEC1DIN) {
 					(*i).meter->set (meter_deflect_din (peak + meter_lineup_cfg(UIConfiguration::instance().get_meter_line_up_din(), 3.0)));
-				} else if (_meter_type == MeterIEC2BBC || _meter_type == MeterIEC2EBU) {
+				} else if (meter_type == MeterIEC2BBC || meter_type == MeterIEC2EBU) {
 					(*i).meter->set (meter_deflect_ppm (peak + meter_lineup(0)));
-				} else if (_meter_type == MeterVU) {
+				} else if (meter_type == MeterVU) {
 					(*i).meter->set (meter_deflect_vu (peak + vu_standard() + meter_lineup(0)));
-				} else if (_meter_type == MeterK12) {
+				} else if (meter_type == MeterK12) {
 					(*i).meter->set (meter_deflect_k (peak, 12), meter_deflect_k(_meter->meter_level(n, MeterPeak), 12));
-				} else if (_meter_type == MeterK14) {
+				} else if (meter_type == MeterK14) {
 					(*i).meter->set (meter_deflect_k (peak, 14), meter_deflect_k(_meter->meter_level(n, MeterPeak), 14));
-				} else if (_meter_type == MeterK20) {
+				} else if (meter_type == MeterK20) {
 					(*i).meter->set (meter_deflect_k (peak, 20), meter_deflect_k(_meter->meter_level(n, MeterPeak), 20));
 				} else { // RMS
 					(*i).meter->set (log_meter (peak), log_meter(_meter->meter_level(n, MeterPeak)));
@@ -253,7 +253,7 @@ LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
 		return; /* do it later or never */
 	}
 
-	MeterType _meter_type = _meter->meter_type ();
+	MeterType meter_type = _meter->meter_type ();
 	uint32_t nmidi = _meter->input_streams().n_midi();
 	uint32_t nmeters = _meter->input_streams().n_total();
 	regular_meter_width = initial_width;
@@ -281,7 +281,7 @@ LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
 	    && meters[0].width == width
 	    && meters[0].length == len
 	    && !color_changed
-	    && _meter_type == visible_meter_type) {
+	    && meter_type == visible_meter_type) {
 		return;
 	}
 
@@ -291,7 +291,7 @@ LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
 			(meters.size() > 0 &&  meters[0].width == width) ? "yes" : "no",
 			(meters.size() > 0 &&  meters[0].length == len) ? "yes" : "no",
 			(nmeters == meter_count) ? "yes" : "no",
-			(_meter_type == visible_meter_type) ? "yes" : "no",
+			(meter_type == visible_meter_type) ? "yes" : "no",
 			!color_changed ? "yes" : "no"
 			);
 #endif
@@ -339,7 +339,7 @@ LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
 			c[8] = UIConfiguration::instance().color ("meter color8");
 			c[9] = UIConfiguration::instance().color ("meter color9");
 
-			switch (_meter_type) {
+			switch (meter_type) {
 				case MeterK20:
 					stp[0] = 115.0 * meter_deflect_k(-40, 20);  //-20
 					stp[1] = 115.0 * meter_deflect_k(-20, 20);  //  0
@@ -451,7 +451,7 @@ LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
 				}
 			}
 		}
-		if (meters[n].width != width || meters[n].length != len || color_changed || _meter_type != visible_meter_type || nmidi != midi_count) {
+		if (meters[n].width != width || meters[n].length != len || color_changed || meter_type != visible_meter_type || nmidi != midi_count) {
 			bool hl = meters[n].meter ? meters[n].meter->get_highlight() : false;
 			meters[n].packed = false;
 			delete meters[n].meter;
@@ -481,7 +481,7 @@ LevelMeterBase::setup_meters (int len, int initial_width, int thin_width)
 	}
 	//show();
 	color_changed = false;
-	visible_meter_type = _meter_type;
+	visible_meter_type = meter_type;
 	midi_count = nmidi;
 	meter_count = nmeters;
 }