diff --git a/ruby/lib/jam_ruby/models/music_session.rb b/ruby/lib/jam_ruby/models/music_session.rb
index 70eb50e7f..088b5c1e6 100644
--- a/ruby/lib/jam_ruby/models/music_session.rb
+++ b/ruby/lib/jam_ruby/models/music_session.rb
@@ -206,7 +206,7 @@ module JamRuby
       locidispid = connection.locidispid
 
       query = MusicSession
-      .select("music_sessions.*, max(coalesce(current_scores.score, 99)) as max_score")
+      .select("music_sessions.*, max(coalesce(current_scores.score, 1000)) as max_score")  # 1000 is higher than the allowed max of 999
       .joins(
           %Q{
             INNER JOIN
diff --git a/web/app/assets/javascripts/sessionList.js b/web/app/assets/javascripts/sessionList.js
index cc857545a..81dfc77b3 100644
--- a/web/app/assets/javascripts/sessionList.js
+++ b/web/app/assets/javascripts/sessionList.js
@@ -11,7 +11,8 @@
         GOOD : {description: "GOOD", style: "latency-green", min: 0.0, max: 20.0},
         MEDIUM : {description: "MEDIUM", style: "latency-yellow", min: 20.0, max: 40.0},
         POOR : {description: "POOR", style: "latency-red", min: 40.0, max: 10000000000.0},
-        UNREACHABLE: {description: "UNREACHABLE", style: "latency-grey", min: -1, max: -1}
+        UNREACHABLE: {description: "UNREACHABLE", style: "latency-grey", min: -1, max: -1},
+        UNKNOWN: {description: "UNKNOWN", style: "latency-grey", min: -2, max: -2}
     };
 
     var AUDIENCE = {
@@ -49,6 +50,11 @@
             latencyStyle = LATENCY.UNREACHABLE.style;
             showJoinLink = false;
         }
+        else if(latencyInfo.averageLatency === 1000) {
+            // 1000 is a magical number returned by new scoring API to indicate one or more people in the session have an unknown score
+            latencyDescription = LATENCY.UNKNOWN.description;
+            latencyStyle = LATENCY.UNKNOWN.style;
+        }
         else {
             if (totalLatency <= LATENCY.GOOD.max) {
                 latencyDescription = LATENCY.GOOD.description;
@@ -61,7 +67,7 @@
             else {
                 latencyDescription = LATENCY.POOR.description;
                 latencyStyle = LATENCY.POOR.style;
-                //showJoinLink = false;
+                //showJoinLink = false; # let people join any scored session is the current thinking
             }
         }