diff --git a/code/addons/viewport/src/Tool.tsx b/code/addons/viewport/src/Tool.tsx
index 37bc22500e9b..da600e576675 100644
--- a/code/addons/viewport/src/Tool.tsx
+++ b/code/addons/viewport/src/Tool.tsx
@@ -74,6 +74,7 @@ const flip = ({ width, height, ...styles }: ViewportStyles) => ({
 
 const ActiveViewportSize = styled.div(() => ({
   display: 'inline-flex',
+  alignItems: 'center',
 }));
 
 const ActiveViewportLabel = styled.div(({ theme }) => ({