diff --git a/code/portal_detail_display_tools.js b/code/portal_detail_display_tools.js
index 8bb6f769..217e425c 100644
--- a/code/portal_detail_display_tools.js
+++ b/code/portal_detail_display_tools.js
@@ -97,8 +97,8 @@ window.getModDetails = function(d) {
       }
 
       modTooltip = modName + '\n';
-      if (mod.installingUser) {
-        modTooltip += 'Installed by: '+ mod.installingUser + '\n';
+      if (mod.owner) {
+        modTooltip += 'Installed by: '+ mod.owner + '\n';
       }
 
       if (mod.stats) {
diff --git a/plugins/guess-player-levels.user.js b/plugins/guess-player-levels.user.js
index cfbb27e4..58727426 100644
--- a/plugins/guess-player-levels.user.js
+++ b/plugins/guess-player-levels.user.js
@@ -2,7 +2,7 @@
 // @id             iitc-plugin-guess-player-levels@breunigs
 // @name           IITC plugin: guess player level
 // @category       Info
-// @version        0.5.3.@@DATETIMEVERSION@@
+// @version        0.5.4.@@DATETIMEVERSION@@
 // @namespace      https://github.com/jonatkins/ingress-intel-total-conversion
 // @updateURL      @@UPDATEURL@@
 // @downloadURL    @@DOWNLOADURL@@
@@ -135,7 +135,7 @@ window.plugin.guessPlayerLevels.extractPortalData = function(data) {
   var owner = data.details.owner && data.details.owner || "";
   var ownerModCount = 0;
   data.details.mods.forEach(function(mod) {
-    if(mod && mod.installingUser == owner)
+    if(mod && mod.owner == owner)
       ownerModCount++;
   });