diff --git a/libs/feature/search/src/lib/state/effects.spec.ts b/libs/feature/search/src/lib/state/effects.spec.ts
index 218190d26a..d7c49215bc 100644
--- a/libs/feature/search/src/lib/state/effects.spec.ts
+++ b/libs/feature/search/src/lib/state/effects.spec.ts
@@ -483,6 +483,21 @@ describe('Effects', () => {
             )
           })
         })
+        describe('when geometry is undefined', () => {
+          beforeEach(() => {
+            effects['filterGeometry$'] = of(undefined) as any
+            effects = TestBed.inject(SearchEffects)
+            actions$ = of(new RequestMoreResults('main'))
+          })
+          it('skips the geometry in the search', async () => {
+            await firstValueFrom(effects.loadResults$)
+            expect(repository.search).toHaveBeenCalledWith(
+              expect.objectContaining({
+                filterGeometry: undefined,
+              })
+            )
+          })
+        })
       })
       describe('when useSpatialFilter is disabled', () => {
         beforeEach(() => {
diff --git a/libs/feature/search/src/lib/state/effects.ts b/libs/feature/search/src/lib/state/effects.ts
index 5c411efce4..4cc5cda439 100644
--- a/libs/feature/search/src/lib/state/effects.ts
+++ b/libs/feature/search/src/lib/state/effects.ts
@@ -126,10 +126,11 @@ export class SearchEffects {
           ),
           switchMap(([state, favorites]) => {
             if (!state.params.useSpatialFilter || !this.filterGeometry$) {
-              return of([state, favorites, null])
+              return of([state, favorites, undefined])
             }
             return this.filterGeometry$.pipe(
               tap((geom) => {
+                if (!geom) return
                 try {
                   const trace = validGeoJson(geom, true) as string[]
                   if (trace?.length > 0) {
@@ -145,7 +146,7 @@ export class SearchEffects {
               }),
               map((geom) => [state, favorites, geom]),
               catchError((e) => {
-                return of([state, favorites, null])
+                return of([state, favorites, undefined])
               })
             )
           }),
@@ -153,7 +154,7 @@ export class SearchEffects {
             ([state, favorites, geometry]: [
               SearchStateSearch,
               string[],
-              Geometry | null
+              Geometry | undefined
             ]) => {
               const { currentPage, pageSize, sort } = state.params
               const filters = {