diff --git a/ui/core/view-common.ts b/ui/core/view-common.ts
index 78a583b50..996451a86 100644
--- a/ui/core/view-common.ts
+++ b/ui/core/view-common.ts
@@ -720,7 +720,8 @@ export class View extends ProxyObject implements definition.View {
                 childTop = top + marginTop * density;
                 break;
 
-            case enums.VerticalAlignment.center || enums.VerticalAlignment.middle:
+            case enums.VerticalAlignment.center:
+            case enums.VerticalAlignment.middle:
                 childTop = top + (bottom - top - childHeight + (marginTop - marginBottom) * density) / 2;
                 break;
 
diff --git a/ui/core/view.android.ts b/ui/core/view.android.ts
index b8eb91672..51e9302b6 100644
--- a/ui/core/view.android.ts
+++ b/ui/core/view.android.ts
@@ -586,7 +586,8 @@ export class ViewStyler implements style.Styler {
                 gravity |= android.view.Gravity.TOP;
                 break;
 
-            case enums.VerticalAlignment.center || enums.VerticalAlignment.middle:
+            case enums.VerticalAlignment.center:
+            case enums.VerticalAlignment.middle:
                 gravity |= android.view.Gravity.CENTER_VERTICAL;
                 break;
 
diff --git a/ui/layouts/stack-layout/stack-layout.ios.ts b/ui/layouts/stack-layout/stack-layout.ios.ts
index cc27d003a..2faed3689 100644
--- a/ui/layouts/stack-layout/stack-layout.ios.ts
+++ b/ui/layouts/stack-layout/stack-layout.ios.ts
@@ -110,7 +110,8 @@ export class StackLayout extends common.StackLayout {
         var childRight = right - left - paddingRight;
 
         switch (this.verticalAlignment) {
-            case VerticalAlignment.center || VerticalAlignment.middle:
+            case VerticalAlignment.center:
+            case VerticalAlignment.middle:
                 childTop = (bottom - top - this._totalLength) / 2 + paddingTop - paddingBottom;
                 break;
 
@@ -169,4 +170,4 @@ export class StackLayout extends common.StackLayout {
             childLeft += childWidth;
         });
     }
-}
\ No newline at end of file
+}