diff --git a/src/Umbraco.Web/Editors/BackOfficeServerVariables.cs b/src/Umbraco.Web/Editors/BackOfficeServerVariables.cs
index 454338112c..bdcb93099b 100644
--- a/src/Umbraco.Web/Editors/BackOfficeServerVariables.cs
+++ b/src/Umbraco.Web/Editors/BackOfficeServerVariables.cs
@@ -73,7 +73,7 @@ namespace Umbraco.Web.Editors
             //this is the filter for the keys that we'll keep based on the full version of the server vars
             var keepOnlyKeys = new Dictionary<string, string[]>
             {
-                {"umbracoUrls", new[] {"authenticationApiBaseUrl", "serverVarsJs", "externalLoginsUrl", "currentUserApiBaseUrl"}},
+                {"umbracoUrls", new[] {"authenticationApiBaseUrl", "serverVarsJs", "externalLoginsUrl", "currentUserApiBaseUrl", "iconApiBaseUrl"}},
                 {"umbracoSettings", new[] {"allowPasswordReset", "imageFileTypes", "maxFileSize", "loginBackgroundImage", "canSendRequiredEmail", "usernameIsEmail"}},
                 {"application", new[] {"applicationPath", "cacheBuster"}},
                 {"isDebuggingEnabled", new string[] { }},