diff --git a/packages/react/src/container/FlowRenderer/index.tsx b/packages/react/src/container/FlowRenderer/index.tsx
index 1aa92c41..0c1d1db9 100644
--- a/packages/react/src/container/FlowRenderer/index.tsx
+++ b/packages/react/src/container/FlowRenderer/index.tsx
@@ -28,6 +28,8 @@ export type FlowRendererProps<NodeType extends Node = Node> = Omit<
   children: ReactNode;
 };
 
+const win = typeof window === 'undefined' ? window : undefined;
+
 const selector = (s: ReactFlowState) => {
   return { nodesSelectionActive: s.nodesSelectionActive, userSelectionActive: s.userSelectionActive };
 };
@@ -70,8 +72,8 @@ function FlowRendererComponent<NodeType extends Node = Node>({
   isControlledViewport,
 }: FlowRendererProps<NodeType>) {
   const { nodesSelectionActive, userSelectionActive } = useStore(selector);
-  const selectionKeyPressed = useKeyPress(selectionKeyCode, { target: window });
-  const panActivationKeyPressed = useKeyPress(panActivationKeyCode, { target: window });
+  const selectionKeyPressed = useKeyPress(selectionKeyCode, { target: win });
+  const panActivationKeyPressed = useKeyPress(panActivationKeyCode, { target: win });
 
   const panOnDrag = panActivationKeyPressed || _panOnDrag;
   const panOnScroll = panActivationKeyPressed || _panOnScroll;
diff --git a/packages/react/src/hooks/useGlobalKeyHandler.ts b/packages/react/src/hooks/useGlobalKeyHandler.ts
index 8e0c34bb..10ba625c 100644
--- a/packages/react/src/hooks/useGlobalKeyHandler.ts
+++ b/packages/react/src/hooks/useGlobalKeyHandler.ts
@@ -9,6 +9,7 @@ import { Edge, Node } from '../types';
 const selected = (item: Node | Edge) => item.selected;
 
 const deleteKeyOptions: UseKeyPressOptions = { actInsideInputWithModifier: false };
+const win = typeof window === 'undefined' ? window : undefined;
 
 /**
  * Hook for handling global key events.
@@ -26,7 +27,7 @@ export function useGlobalKeyHandler({
   const { deleteElements } = useReactFlow();
 
   const deleteKeyPressed = useKeyPress(deleteKeyCode, deleteKeyOptions);
-  const multiSelectionKeyPressed = useKeyPress(multiSelectionKeyCode, { target: window });
+  const multiSelectionKeyPressed = useKeyPress(multiSelectionKeyCode, { target: win });
 
   useEffect(() => {
     if (deleteKeyPressed) {