diff --git a/core/app/datasource/src/main/java/io/openk9/datasource/graphql/SchedulerGraphqlResource.java b/core/app/datasource/src/main/java/io/openk9/datasource/graphql/SchedulerGraphqlResource.java
index 0e2510d97..a7786ee78 100644
--- a/core/app/datasource/src/main/java/io/openk9/datasource/graphql/SchedulerGraphqlResource.java
+++ b/core/app/datasource/src/main/java/io/openk9/datasource/graphql/SchedulerGraphqlResource.java
@@ -64,6 +64,11 @@ public Uni<DataIndex> newDataIndex(@Source Scheduler scheduler) {
 		return schedulerService.getNewDataIndex(scheduler);
 	}
 
+	@Mutation
+	public Uni<Void> cancelSchedulation(@Id long id) {
+		return schedulerService.cancelSchedulation(id);
+	}
+
 	@Inject
 	SchedulerService schedulerService;
 
diff --git a/core/app/datasource/src/main/java/io/openk9/datasource/service/SchedulerService.java b/core/app/datasource/src/main/java/io/openk9/datasource/service/SchedulerService.java
index 354403e19..30bfc74b2 100644
--- a/core/app/datasource/src/main/java/io/openk9/datasource/service/SchedulerService.java
+++ b/core/app/datasource/src/main/java/io/openk9/datasource/service/SchedulerService.java
@@ -17,12 +17,19 @@
 
 package io.openk9.datasource.service;
 
+import akka.actor.typed.ActorSystem;
+import akka.cluster.sharding.typed.javadsl.ClusterSharding;
+import akka.cluster.sharding.typed.javadsl.EntityRef;
+import io.openk9.auth.tenant.TenantResolver;
+import io.openk9.datasource.actor.ActorSystemProvider;
 import io.openk9.datasource.model.DataIndex;
 import io.openk9.datasource.model.Datasource;
 import io.openk9.datasource.model.Scheduler;
 import io.openk9.datasource.model.Scheduler_;
 import io.openk9.datasource.model.dto.SchedulerDTO;
 import io.openk9.datasource.model.util.Mutiny2;
+import io.openk9.datasource.pipeline.SchedulationKeyUtils;
+import io.openk9.datasource.pipeline.actor.Schedulation;
 import io.openk9.datasource.service.util.BaseK9EntityService;
 import io.openk9.datasource.util.UniActionListener;
 import io.smallrye.mutiny.Uni;
@@ -97,6 +104,27 @@ public Uni<List<String>> getDeletedContentIds(long id) {
 			.flatMap(this::indexesDiff);
 	}
 
+	public Uni<Void> cancelSchedulation(long schedulerId) {
+		return findById(schedulerId)
+			.chain(scheduler -> {
+				if (scheduler.getStatus() == Scheduler.SchedulerStatus.STARTED) {
+
+					ActorSystem<?> actorSystem = actorSystemProvider.getActorSystem();
+
+					ClusterSharding clusterSharding = ClusterSharding.get(actorSystem);
+
+					EntityRef<Schedulation.Command> schedulationRef = clusterSharding.entityRefFor(
+						Schedulation.ENTITY_TYPE_KEY,
+						SchedulationKeyUtils.getValue(
+							tenantResolver.getTenantName(), scheduler.getScheduleId()));
+
+					schedulationRef.tell(Schedulation.Cancel.INSTANCE);
+				}
+
+				return Uni.createFrom().nothing();
+			});
+	}
+
 	private Uni<List<String>> indexesDiff(Scheduler scheduler) {
 		if (scheduler == null) {
 			return Uni.createFrom().item(List.of());
@@ -152,4 +180,8 @@ private List<String> mapToList(SearchResponse searchResponse) {
 
 	@Inject
 	RestHighLevelClient client;
+	@Inject
+	ActorSystemProvider actorSystemProvider;
+	@Inject
+	TenantResolver tenantResolver;
 }