diff --git a/public_html/script.js b/public_html/script.js
index 795c750..39138e1 100644
--- a/public_html/script.js
+++ b/public_html/script.js
@@ -910,7 +910,7 @@ function refreshSelected() {
                 } else {
                         $('#selected_position').text(format_latlng(selected.position));
                 }
-                $('#selected_source').text( (selected.position_from_mlat ? "MLAT" : "ADS-B"));
+
                 $('#selected_follow').removeClass('hidden');
                 if (FollowSelected) {
                         $('#selected_follow').css('font-weight', 'bold');
@@ -919,7 +919,15 @@ function refreshSelected() {
                         $('#selected_follow').css('font-weight', 'normal');
                 }
 	}
-        
+        if (selected.getDataSource() === "adsb_icao") {
+        	$('#selected_source').text("ADS-B");
+        } else if (selected.getDataSource() === "tisb_trackfile" || selected.getDataSource() === "tisb_icao" || selected.getDataSource() === "tisb_other") {
+        	$('#selected_source').text("TIS-B");
+        } else if (selected.getDataSource() === "mlat") {
+        	$('#selected_source').text("MLAT");
+        } else {
+        	$('#selected_source').text("Other");
+        }
         $('#selected_sitedist').text(format_distance_long(selected.sitedist, DisplayUnits));
         $('#selected_rssi').text(selected.rssi.toFixed(1) + ' dBFS');
         $('#selected_message_count').text(selected.messages);