diff --git a/src/ConfigContext.ts b/src/ConfigContext.ts
index 6d15a8a0f..f202602e9 100644
--- a/src/ConfigContext.ts
+++ b/src/ConfigContext.ts
@@ -87,7 +87,7 @@ let configContext: Readonly<ConfigContext> = {
     `^https:\\/\\/.*\\.analysis-df\\.net$`,
     `^https:\\/\\/.*\\.analysis-df\\.windows\\.net$`,
     `^https:\\/\\/.*\\.azure-test\\.net$`,
-    `^https:\\/\\/cosmos-explorer-preview\\.azurewebsites\\.net`,
+    `^https:\\/\\/cosmos-explorer-preview\\.azurewebsites\\.net$`,
   ], // Webpack injects this at build time
   gitSha: process.env.GIT_SHA,
   hostedExplorerURL: "https://cosmos.azure.com/",