diff --git a/src/server/protocol.ts b/src/server/protocol.ts
index e22569e4654..f79774abf20 100644
--- a/src/server/protocol.ts
+++ b/src/server/protocol.ts
@@ -415,7 +415,7 @@ namespace ts.server.protocol {
 
     /**
      * Response is a list of available refactorings.
-     * Each refactoring exposes 1 or more "Actions"; a user selects one action to invoke a refactoring
+     * Each refactoring exposes one or more "Actions"; a user selects one action to invoke a refactoring
      */
     export interface GetApplicableRefactorsResponse extends Response {
         body?: ApplicableRefactorInfo[];
diff --git a/src/services/refactors/convertFunctionToEs6Class.ts b/src/services/refactors/convertFunctionToEs6Class.ts
index 3c549463ec5..d275924b76a 100644
--- a/src/services/refactors/convertFunctionToEs6Class.ts
+++ b/src/services/refactors/convertFunctionToEs6Class.ts
@@ -22,7 +22,7 @@ namespace ts.refactor {
             symbol = (symbol.valueDeclaration as VariableDeclaration).initializer.symbol;
         }
 
-        if (symbol && symbol.flags & SymbolFlags.Function && symbol.members && symbol.members.size > 0) {
+        if (symbol && (symbol.flags & SymbolFlags.Function) && symbol.members && (symbol.members.size > 0)) {
             return [
                 {
                     name: convertFunctionToES6Class.name,