diff --git a/src/core/wrapper/layout/flex/flex.center.js b/src/core/wrapper/layout/flex/flex.center.js
index 09c81b792..0bf886ca8 100644
--- a/src/core/wrapper/layout/flex/flex.center.js
+++ b/src/core/wrapper/layout/flex/flex.center.js
@@ -24,7 +24,7 @@ BI.FlexCenterLayout = BI.inherit(BI.Layout, {
         return {
             type: "bi.flex_horizontal",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             horizontalAlign: o.horizontalAlign,
             verticalAlign: o.verticalAlign,
@@ -42,15 +42,15 @@ BI.FlexCenterLayout = BI.inherit(BI.Layout, {
     },
 
     resize: function () {
-        this.wrapper.resize();
+        this.layout.resize();
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate(items);
+        this.layout.populate(items);
     }
 });
 BI.shortcut("bi.flex_center_adapt", BI.FlexCenterLayout);
diff --git a/src/core/wrapper/layout/flex/flex.horizontal.center.js b/src/core/wrapper/layout/flex/flex.horizontal.center.js
index 028ef748f..8af01988c 100644
--- a/src/core/wrapper/layout/flex/flex.horizontal.center.js
+++ b/src/core/wrapper/layout/flex/flex.horizontal.center.js
@@ -25,7 +25,7 @@ BI.FlexHorizontalCenter = BI.inherit(BI.Layout, {
         return {
             type: "bi.flex_vertical",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             horizontalAlign: o.horizontalAlign,
             verticalAlign: o.verticalAlign,
@@ -43,15 +43,15 @@ BI.FlexHorizontalCenter = BI.inherit(BI.Layout, {
     },
 
     resize: function () {
-        this.wrapper.resize();
+        this.layout.resize();
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate(items);
+        this.layout.populate(items);
     }
 });
 BI.shortcut("bi.flex_horizontal_adapt", BI.FlexHorizontalCenter);
diff --git a/src/core/wrapper/layout/flex/flex.vertical.center.js b/src/core/wrapper/layout/flex/flex.vertical.center.js
index 533ac2fa9..8b27066af 100644
--- a/src/core/wrapper/layout/flex/flex.vertical.center.js
+++ b/src/core/wrapper/layout/flex/flex.vertical.center.js
@@ -26,7 +26,7 @@ BI.FlexVerticalCenter = BI.inherit(BI.Layout, {
         return {
             type: "bi.flex_horizontal",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             verticalAlign: o.verticalAlign,
             horizontalAlign: o.horizontalAlign,
@@ -44,15 +44,15 @@ BI.FlexVerticalCenter = BI.inherit(BI.Layout, {
     },
 
     resize: function () {
-        this.wrapper.resize();
+        this.layout.resize();
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate(items);
+        this.layout.populate(items);
     }
 });
 BI.shortcut("bi.flex_vertical_adapt", BI.FlexVerticalCenter);
diff --git a/src/core/wrapper/layout/flex/wrapper/flex.wrapper.center.js b/src/core/wrapper/layout/flex/wrapper/flex.wrapper.center.js
index 740030e76..eeb66dd20 100644
--- a/src/core/wrapper/layout/flex/wrapper/flex.wrapper.center.js
+++ b/src/core/wrapper/layout/flex/wrapper/flex.wrapper.center.js
@@ -27,7 +27,7 @@ BI.FlexWrapperCenterLayout = BI.inherit(BI.Layout, {
         return {
             type: "bi.flex_scrollable_horizontal",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             horizontalAlign: o.horizontalAlign,
             verticalAlign: o.verticalAlign,
@@ -45,15 +45,15 @@ BI.FlexWrapperCenterLayout = BI.inherit(BI.Layout, {
     },
 
     resize: function () {
-        this.wrapper.resize();
+        this.layout.resize();
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate(items);
+        this.layout.populate(items);
     }
 });
 BI.shortcut("bi.flex_scrollable_center_adapt", BI.FlexWrapperCenterLayout);
diff --git a/src/core/wrapper/layout/flex/wrapper/flex.wrapper.horizontal.center.js b/src/core/wrapper/layout/flex/wrapper/flex.wrapper.horizontal.center.js
index 3d4d28c2c..e03babc6c 100644
--- a/src/core/wrapper/layout/flex/wrapper/flex.wrapper.horizontal.center.js
+++ b/src/core/wrapper/layout/flex/wrapper/flex.wrapper.horizontal.center.js
@@ -27,7 +27,7 @@ BI.FlexWrapperHorizontalCenter = BI.inherit(BI.Layout, {
         return {
             type: "bi.flex_scrollable_vertical",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             horizontalAlign: o.horizontalAlign,
             verticalAlign: o.verticalAlign,
@@ -45,15 +45,15 @@ BI.FlexWrapperHorizontalCenter = BI.inherit(BI.Layout, {
     },
 
     resize: function () {
-        this.wrapper.resize();
+        this.layout.resize();
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate(items);
+        this.layout.populate(items);
     }
 });
 BI.shortcut("bi.flex_scrollable_horizontal_adapt", BI.FlexWrapperHorizontalCenter);
diff --git a/src/core/wrapper/layout/flex/wrapper/flex.wrapper.vertical.center.js b/src/core/wrapper/layout/flex/wrapper/flex.wrapper.vertical.center.js
index af072c1a6..d5e7096b1 100644
--- a/src/core/wrapper/layout/flex/wrapper/flex.wrapper.vertical.center.js
+++ b/src/core/wrapper/layout/flex/wrapper/flex.wrapper.vertical.center.js
@@ -27,7 +27,7 @@ BI.FlexWrapperVerticalCenter = BI.inherit(BI.Layout, {
         return {
             type: "bi.flex_scrollable_horizontal",
             ref: function (_ref) {
-                self.wrapper = _ref;
+                self.layout = _ref;
             },
             verticalAlign: o.verticalAlign,
             horizontalAlign: o.horizontalAlign,
@@ -45,15 +45,15 @@ BI.FlexWrapperVerticalCenter = BI.inherit(BI.Layout, {
     },
 
     resize: function () {
-        this.wrapper.resize();
+        this.layout.resize();
     },
 
     update: function (opt) {
-        return this.wrapper.update(opt);
+        return this.layout.update(opt);
     },
 
     populate: function (items) {
-        this.wrapper.populate(items);
+        this.layout.populate(items);
     }
 });
 BI.shortcut("bi.flex_scrollable_vertical_adapt", BI.FlexWrapperVerticalCenter);