diff --git a/packages/@sanity/vision/src/components/VisionGui.tsx b/packages/@sanity/vision/src/components/VisionGui.tsx
index c7050c46e03..9c8b36aeca8 100644
--- a/packages/@sanity/vision/src/components/VisionGui.tsx
+++ b/packages/@sanity/vision/src/components/VisionGui.tsx
@@ -750,6 +750,7 @@ export class VisionGui extends React.PureComponent<VisionGuiProps, VisionGuiStat
                         {paramsError && (
                           <Tooltip
                             placement="top-end"
+                            portal
                             content={
                               <Box padding={2}>
                                 <Text>{paramsError}</Text>