diff --git a/lib/network/options.js b/lib/network/options.js
index c2bbd57e..888f1c02 100644
--- a/lib/network/options.js
+++ b/lib/network/options.js
@@ -268,7 +268,10 @@ let allOptions = {
   autoResize: {boolean},
   clickToUse: {boolean},
   locale:{string},
-  locales:{object},
+  locales:{
+    __any__: {any},
+    __type__: {object}
+  },
   height: {string},
   width: {string},
   __type__: {object}
diff --git a/lib/timeline/optionsGraph2d.js b/lib/timeline/optionsGraph2d.js
index 1e0a7bd1..df172ed4 100644
--- a/lib/timeline/optionsGraph2d.js
+++ b/lib/timeline/optionsGraph2d.js
@@ -127,7 +127,10 @@ let allOptions = {
   height: {string, number},
   hiddenDates: {object, array},
   locale:{string},
-  locales:{object},
+  locales:{
+    __any__: {any},
+    __type__: {object}
+  },
   max: {date, number, string, moment},
   maxHeight: {number, string},
   min: {date, number, string, moment},
diff --git a/lib/timeline/optionsTimeline.js b/lib/timeline/optionsTimeline.js
index 66bc1fb3..5666e76b 100644
--- a/lib/timeline/optionsTimeline.js
+++ b/lib/timeline/optionsTimeline.js
@@ -66,7 +66,10 @@ let allOptions = {
   height: {string, number},
   hiddenDates: {object, array},
   locale:{string},
-  locales:{object},
+  locales:{
+    __any__: {any},
+    __type__: {object}
+  },
   margin: {
     axis: {number},
     item: {