diff --git a/src/fsharp/fsiAnyCpu/app.config b/src/fsharp/fsiAnyCpu/app.config
index 75abd583188..0019c21a759 100644
--- a/src/fsharp/fsiAnyCpu/app.config
+++ b/src/fsharp/fsiAnyCpu/app.config
@@ -2,6 +2,7 @@
 <configuration>
   <runtime>
     <gcAllowVeryLargeObjects enabled="true" />
+    <gcServer enabled="true" />
     <legacyUnhandledExceptionPolicy enabled="true" />
     <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
       <dependentAssembly>