diff --git a/Jakefile.js b/Jakefile.js
index c7c7ab9af99..3652b41cfc7 100644
--- a/Jakefile.js
+++ b/Jakefile.js
@@ -1156,7 +1156,7 @@ task("runtests-file", ["build-rules", "tests", builtLocalDirectory], function ()
 }, { async: true });
 
 task("runtests-dirty", ["build-rules", "tests", builtLocalDirectory], function () {
-    runConsoleTests("mocha-fivemat-progress-reporter", [], /*dirty*/ true);
+    runConsoleTests("mocha-fivemat-progress-reporter", /*runInParallel*/ false, /*dirty*/ true);
 }, { async: true });
 
 desc("Generates code coverage data via instanbul");
diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index bd7c697d226..b09c672b451 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -1223,7 +1223,7 @@ namespace ts {
                 const left = name.kind === SyntaxKind.QualifiedName ? (<QualifiedName>name).left : (<PropertyAccessExpression>name).expression;
                 const right = name.kind === SyntaxKind.QualifiedName ? (<QualifiedName>name).right : (<PropertyAccessExpression>name).name;
 
-                const namespace = resolveEntityName(left, SymbolFlags.Namespace, ignoreErrors, dontResolveAlias, location);
+                const namespace = resolveEntityName(left, SymbolFlags.Namespace, ignoreErrors, /*dontResolveAlias*/ false, location);
                 if (!namespace || namespace === unknownSymbol || nodeIsMissing(right)) {
                     return undefined;
                 }