diff --git a/Jakefile.js b/Jakefile.js
index 2424c414389..eb427107010 100644
--- a/Jakefile.js
+++ b/Jakefile.js
@@ -525,7 +525,7 @@ compileFile(servicesFileInBrowserTest, servicesSources,[builtLocalDirectory, cop
 var serverFile = path.join(builtLocalDirectory, "tsserver.js");
 compileFile(serverFile, serverSources,[builtLocalDirectory, copyright].concat(serverSources), /*prefixes*/ [copyright], /*useBuiltCompiler*/ true);
 
-var tsserverLibraryFile = path.join(builtLocalDirectory, "tslssl.js");
+var tsserverLibraryFile = path.join(builtLocalDirectory, "tsserverlibrary.js");
 compileFile(
     tsserverLibraryFile,
     languageServiceLibrarySources,