diff --git a/packages/core/src/store/actions.ts b/packages/core/src/store/actions.ts
index 91557e7f..983a359d 100644
--- a/packages/core/src/store/actions.ts
+++ b/packages/core/src/store/actions.ts
@@ -966,6 +966,8 @@ export function useActions(
     setCenter: (x, y, opts) => viewportHelper.value.setCenter(x, y, opts),
     fitBounds: (params, opts) => viewportHelper.value.fitBounds(params, opts),
     project: (params) => viewportHelper.value.project(params),
+    screenToFlowCoordinate: (params) => viewportHelper.value.screenToFlowCoordinate(params),
+    flowToScreenCoordinate: (params) => viewportHelper.value.flowToScreenCoordinate(params),
     toObject,
     fromObject,
     updateNodeInternals,
diff --git a/packages/core/src/types/store.ts b/packages/core/src/types/store.ts
index 1f4bfa53..5e99d9a0 100644
--- a/packages/core/src/types/store.ts
+++ b/packages/core/src/types/store.ts
@@ -25,7 +25,7 @@ import type {
 } from './connection'
 import type { DefaultEdgeOptions, Edge, EdgeUpdatable, GraphEdge } from './edge'
 import type { CoordinateExtent, CoordinateExtentRange, GraphNode, Node } from './node'
-import type { D3Selection, D3Zoom, D3ZoomHandler, PanOnScrollMode, ViewportFunctions, ViewportTransform } from './zoom'
+import type { D3Selection, D3Zoom, D3ZoomHandler, PanOnScrollMode, ViewportTransform } from './zoom'
 import type { CustomEvent, FlowHooks, FlowHooksEmit, FlowHooksOn } from './hooks'
 import type { EdgeChange, NodeChange, NodeDragItem } from './changes'
 import type { ConnectingHandle, ValidConnectionFunc } from './handle'
@@ -218,7 +218,7 @@ export type UpdateNodeData = <Data = ElementData, CustomEvents extends Record<st
 
 export type IsNodeIntersecting = (node: (Partial<Node> & { id: Node['id'] }) | Rect, area: Rect, partially?: boolean) => boolean
 
-export interface Actions extends ViewportFunctions {
+export interface Actions extends Omit<ViewportHelper, 'viewportInitialized'> {
   /** parses elements (nodes + edges) and re-sets the state */
   setElements: SetElements
   /** parses nodes and re-sets the state */