diff --git a/src/compiler/checker.ts b/src/compiler/checker.ts
index 2dd3c47ac15..d79cf0a8767 100644
--- a/src/compiler/checker.ts
+++ b/src/compiler/checker.ts
@@ -4777,8 +4777,11 @@ namespace ts {
                 for (let prop of getPropertiesOfObjectType(source)) {
                     if (!isKnownProperty(target, prop.name)) {
                         if (reportErrors) {
-                            reportErrorAndTryImproveErrorNode(prop.valueDeclaration,
-                                Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1, symbolToString(prop), typeToString(target));
+                            reportErrorAndTryImproveErrorNode(
+                                prop.valueDeclaration,
+                                Diagnostics.Object_literal_may_only_specify_known_properties_and_0_does_not_exist_in_type_1,
+                                symbolToString(prop),
+                                typeToString(target));
                         }
                         return true;
                     }