diff --git a/frontend/libs/components/input/src/lib/InputVector.tsx b/frontend/libs/components/input/src/lib/InputVector.tsx
index c313b31b28..59d0473173 100644
--- a/frontend/libs/components/input/src/lib/InputVector.tsx
+++ b/frontend/libs/components/input/src/lib/InputVector.tsx
@@ -78,7 +78,7 @@ export const InputVector = ({
   // For dragging the input value to increment/decrement
   const handleMouseDown = (
     e: React.MouseEvent,
-    ref: RefObject<HTMLInputElement>,
+    ref: RefObject<HTMLInputElement|null>,
   ) => {
     e.stopPropagation();
     blurAllInputs();