diff --git a/dotnet/AipsRT/Properties/launchSettings.json b/dotnet/AipsRT/Properties/launchSettings.json
index 5d70556..e76400f 100644
--- a/dotnet/AipsRT/Properties/launchSettings.json
+++ b/dotnet/AipsRT/Properties/launchSettings.json
@@ -4,7 +4,7 @@
     "http": {
       "commandName": "Project",
       "dotnetRunMessages": true,
-      "launchBrowser": true,
+      "launchBrowser": false,
       "applicationUrl": "http://localhost:5039",
       "environmentVariables": {
         "ASPNETCORE_ENVIRONMENT": "Development"