diff --git a/tgui/packages/tgui/interfaces/common/ComplexModal.tsx b/tgui/packages/tgui/interfaces/common/ComplexModal.tsx
index 5e40c4219ee..c9e5236794f 100644
--- a/tgui/packages/tgui/interfaces/common/ComplexModal.tsx
+++ b/tgui/packages/tgui/interfaces/common/ComplexModal.tsx
@@ -125,11 +125,11 @@ export const ComplexModal = (props: {
 
   const { modal } = data;
 
-  const [curValue, setCurValue] = useState(modal?.value);
+  const [curValue, setCurValue] = useState(String(modal?.value ?? ''));
 
   useEffect(() => {
     if (modal?.type === 'input') {
-      setCurValue(modal.value);
+      setCurValue(String(modal.value ?? ''));
     }
   }, [modal?.value, modal?.type]);