diff --git a/vsintegration/src/FSharp.LanguageService/ProjectSitesAndFiles.fs b/vsintegration/src/FSharp.LanguageService/ProjectSitesAndFiles.fs
index 237bd82b80e9f00d4fb8b2729d15b416bb20682f..7f706e98443520bb0de806c9383f89d6dd43b8f3 100644
--- a/vsintegration/src/FSharp.LanguageService/ProjectSitesAndFiles.fs
+++ b/vsintegration/src/FSharp.LanguageService/ProjectSitesAndFiles.fs
@@ -391,7 +391,7 @@ type internal ProjectSitesAndFiles() =
                | Some site -> site
                | None -> ProjectSitesAndFiles.ProjectSiteOfSingleFile(filename)
 
-            let parsingOptions,_ = checker.GetParsingOptionsFromCommandLineArgs( site.CompilationOptions |> Array.toList)
+            let parsingOptions,_ = checker.GetParsingOptionsFromCommandLineArgs(site.CompilationOptions |> Array.toList)
             CompilerEnvironment.GetCompilationDefinesForEditing(filename,parsingOptions)
 
     member art.TryFindOwningProject_DEPRECATED(rdt:IVsRunningDocumentTable, filename) =