diff --git a/packages/clients/diplan/src/store/module.ts b/packages/clients/diplan/src/store/module.ts
index 0e797d04..18e4443a 100644
--- a/packages/clients/diplan/src/store/module.ts
+++ b/packages/clients/diplan/src/store/module.ts
@@ -4,7 +4,7 @@ import {
   generateSimpleMutations,
 } from '@repositoryname/vuex-generators'
 import { FeatureCollection } from 'geojson'
-import { DiplanGetters, DiplanState } from '../types'
+import { DiplanGetters, DiplanState, GeometryType } from '../types'
 import { mergeMultiGeometries } from './utils/mergeMultiGeometries'
 import { validateGeoJson } from './utils/validateGeoJson'
 import { enrichWithMetaServices } from './utils/enrichWithMetaServices'
@@ -42,7 +42,7 @@ const diplanModule: PolarModule<DiplanState, DiplanGetters> = {
       // clone to prevent accidentally messing with the draw tool's data
       let revisedFeatureCollection = cloneFeatureCollection(
         rootGetters[drawFeatureCollection]
-      )
+      ) as FeatureCollection<GeometryType> // No GeometryCollection from Draw
 
       // merge first; relevant for both follow-up steps
       if (getters.configuration.mergeMultiGeometries) {
diff --git a/packages/clients/diplan/src/store/utils/mergeMultiGeometries.ts b/packages/clients/diplan/src/store/utils/mergeMultiGeometries.ts
index a36b951b..dc93dc96 100644
--- a/packages/clients/diplan/src/store/utils/mergeMultiGeometries.ts
+++ b/packages/clients/diplan/src/store/utils/mergeMultiGeometries.ts
@@ -1,13 +1,5 @@
-import {
-  Feature,
-  FeatureCollection,
-  GeoJsonTypes,
-  Geometry,
-  GeometryCollection,
-  Position,
-} from 'geojson'
-
-type GeometryType = Exclude<Geometry, GeometryCollection>
+import { Feature, FeatureCollection, GeoJsonTypes, Position } from 'geojson'
+import { GeometryType } from '../../types'
 
 const isMulti = (type: GeometryType['type']) => type.startsWith('Multi')
 const multi = (type: GeometryType['type']) =>
diff --git a/packages/clients/diplan/src/types.ts b/packages/clients/diplan/src/types.ts
index 7d09c8a7..7493d3ba 100644
--- a/packages/clients/diplan/src/types.ts
+++ b/packages/clients/diplan/src/types.ts
@@ -1,4 +1,4 @@
-import { FeatureCollection } from 'geojson'
+import { FeatureCollection, Geometry, GeometryCollection } from 'geojson'
 
 export interface MetaService {
   id: string
@@ -21,3 +21,5 @@ export interface DiplanState {
 export interface DiplanGetters extends DiplanState {
   configuration: Required<DiplanConfiguration>
 }
+
+export type GeometryType = Exclude<Geometry, GeometryCollection>