diff --git a/typescript/shims-tsx.ts b/typescript/shims-tsx.ts
index c30bdee66..fcf24ecf2 100644
--- a/typescript/shims-tsx.ts
+++ b/typescript/shims-tsx.ts
@@ -4,9 +4,9 @@ interface UIProps {
     width: number | string;
     height: number | string;
     top: number;
-    left: number;
+    left: number | JSX.Element;
     bottom: number;
-    right: number;
+    right: number | JSX.Element;
     rgap: number;
     lgap: number;
     tgap: number;
@@ -64,7 +64,7 @@ interface ElementClassProps<T> extends UIProps {
 }
 
 type Widget = import('./index').Widget;
-type Props<T extends Widget = any> = Partial<ElementClassProps<T> & AdditionalProps>;
+type Props<T extends Widget = any> = Partial<ElementClassProps<T> & AdditionalProps & Record<string, any>>;
 
 declare namespace JSX {
     interface Element extends Props {