diff --git a/src/fsharp/vs/service.fs b/src/fsharp/vs/service.fs
index a014be03c8..0a655a0f14 100755
--- a/src/fsharp/vs/service.fs
+++ b/src/fsharp/vs/service.fs
@@ -3102,8 +3102,8 @@ type FSharpChecker(referenceResolver, projectCacheSize, keepAssemblyContents, ke
         backgroundCompiler.KeepProjectAlive(options)
 
     /// For a given script file, get the ProjectOptions implied by the #load closure
-    member ic.GetProjectOptionsFromScript(filename, source, ?loadedTimeStamp, ?otherFlags, ?useFsiAuxLib, ?extraProjectInfo: obj) = 
-        backgroundCompiler.GetProjectOptionsFromScript(filename,source,?loadedTimeStamp=loadedTimeStamp, ?otherFlags=otherFlags, ?useFsiAuxLib=useFsiAuxLib, ?extraProjectInfo=extraProjectInfo)
+    member ic.GetProjectOptionsFromScript(filename, source, ?loadedTimeStamp, ?otherFlags, ?useFsiAuxLib, ?assumeDotNetFramework, ?extraProjectInfo: obj) = 
+        backgroundCompiler.GetProjectOptionsFromScript(filename,source,?loadedTimeStamp=loadedTimeStamp, ?otherFlags=otherFlags, ?useFsiAuxLib=useFsiAuxLib, ?assumeDotNetFramework=assumeDotNetFramework, ?extraProjectInfo=extraProjectInfo)
         
     member ic.GetProjectOptionsFromCommandLineArgs(projectFileName, argv, ?loadedTimeStamp, ?extraProjectInfo: obj) = 
         let loadedTimeStamp = defaultArg loadedTimeStamp DateTime.MaxValue // Not 'now', we don't want to force reloading
diff --git a/src/fsharp/vs/service.fsi b/src/fsharp/vs/service.fsi
index 7051288666..8e499ac070 100755
--- a/src/fsharp/vs/service.fsi
+++ b/src/fsharp/vs/service.fsi
@@ -531,7 +531,7 @@ type FSharpChecker =
     /// <param name="loadedTimeStamp">Indicates when the script was loaded into the editing environment,
     /// so that an 'unload' and 'reload' action will cause the script to be considered as a new project,
     /// so that references are re-resolved.</param>
-    member GetProjectOptionsFromScript : filename: string * source: string * ?loadedTimeStamp: DateTime * ?otherFlags: string[] * ?useFsiAuxLib: bool * ?extraProjectInfo: obj -> Async<FSharpProjectOptions>
+    member GetProjectOptionsFromScript : filename: string * source: string * ?loadedTimeStamp: DateTime * ?otherFlags: string[] * ?useFsiAuxLib: bool * ?assumeDotNetFramework: bool * ?extraProjectInfo: obj -> Async<FSharpProjectOptions>
 
     /// <summary>
     /// <para>Get the FSharpProjectOptions implied by a set of command line arguments.</para>