diff --git a/src/harness/unittests/tsserverProjectSystem.ts b/src/harness/unittests/tsserverProjectSystem.ts
index b2fc4322242..b78fa094571 100644
--- a/src/harness/unittests/tsserverProjectSystem.ts
+++ b/src/harness/unittests/tsserverProjectSystem.ts
@@ -807,7 +807,7 @@ namespace ts.projectSystem {
                 path: "/c/app.ts",
                 content: "let x = 1"
             };
-            const makeProject = (f:  FileOrFolder) => ({ projectFileName: f.path + ".csproj", rootFiles: [toExternalFile(f.path)], options: {} });
+            const makeProject = (f: FileOrFolder) => ({ projectFileName: f.path + ".csproj", rootFiles: [toExternalFile(f.path)], options: {} });
             const p1 = makeProject(f1);
             const p2 = makeProject(f2);
             const p3 = makeProject(f3);
diff --git a/src/server/session.ts b/src/server/session.ts
index 7161bdc04dd..bbcb3eb1254 100644
--- a/src/server/session.ts
+++ b/src/server/session.ts
@@ -219,7 +219,7 @@ namespace ts.server {
         getCurrentRequestId(): number;
         sendRequestCompletedEvent(requestId: number): void;
         getServerHost(): ServerHost;
-        isCancellationRequested():  boolean;
+        isCancellationRequested(): boolean;
         executeWithRequestId(requestId: number, action: () => void): void;
         logError(error: Error, message: string): void;
     }
diff --git a/tslint.json b/tslint.json
index 920f6087909..be722309a24 100644
--- a/tslint.json
+++ b/tslint.json
@@ -28,13 +28,23 @@
             "check-separator",
             "check-type"
         ],
-        "typedef-whitespace": [true, {
-            "call-signature": "nospace",
-            "index-signature": "nospace",
-            "parameter": "nospace",
-            "property-declaration": "nospace",
-            "variable-declaration": "nospace"
-        }],
+        "typedef-whitespace": [
+            true,
+            {
+                "call-signature": "nospace",
+                "index-signature": "nospace",
+                "parameter": "nospace",
+                "property-declaration": "nospace",
+                "variable-declaration": "nospace"
+            },
+            {
+                "call-signature": "onespace",
+                "index-signature": "onespace",
+                "parameter": "onespace",
+                "property-declaration": "onespace",
+                "variable-declaration": "onespace"
+            }
+        ],
         "next-line": [true,
             "check-catch",
             "check-else"