diff --git a/pkg/scaler/docker_swarm.go b/pkg/scaler/docker_swarm.go
index 72ffd02..7162016 100644
--- a/pkg/scaler/docker_swarm.go
+++ b/pkg/scaler/docker_swarm.go
@@ -21,7 +21,6 @@ func NewDockerSwarmScaler() *DockerSwarmScaler {
 }
 
 func (scaler *DockerSwarmScaler) ScaleUp(name string) error {
-	log.Infof("scaling up %s to %d", name, onereplicas)
 	ctx := context.Background()
 	service, err := scaler.GetServiceByName(name, ctx)
 
@@ -30,6 +29,12 @@ func (scaler *DockerSwarmScaler) ScaleUp(name string) error {
 		return err
 	}
 
+	if *service.Spec.Mode.Replicated.Replicas == onereplicas {
+		log.Infof("%s already scaled up to %d", name, onereplicas)
+		return nil
+	}
+	log.Infof("scaling up %s to %d", name, onereplicas)
+
 	service.Spec.Mode.Replicated = &swarm.ReplicatedService{
 		Replicas: &onereplicas,
 	}
@@ -48,7 +53,6 @@ func (scaler *DockerSwarmScaler) ScaleUp(name string) error {
 }
 
 func (scaler *DockerSwarmScaler) ScaleDown(name string) error {
-	log.Infof("scaling down %s to 0", name)
 	ctx := context.Background()
 	service, err := scaler.GetServiceByName(name, ctx)
 
@@ -59,6 +63,12 @@ func (scaler *DockerSwarmScaler) ScaleDown(name string) error {
 
 	replicas := uint64(0)
 
+	if *service.Spec.Mode.Replicated.Replicas == replicas {
+		log.Infof("%s already scaled down to %d", name, replicas)
+		return nil
+	}
+	log.Infof("scaling down %s to %d", name, replicas)
+
 	service.Spec.Mode.Replicated = &swarm.ReplicatedService{
 		Replicas: &replicas,
 	}
diff --git a/pkg/scaler/docker_swarm_test.go b/pkg/scaler/docker_swarm_test.go
index 2afd9eb..399ef5f 100644
--- a/pkg/scaler/docker_swarm_test.go
+++ b/pkg/scaler/docker_swarm_test.go
@@ -80,6 +80,38 @@ func TestDockerSwarmScaler_ScaleUp(t *testing.T) {
 			tt.fields.Client.AssertExpectations(t)
 		})
 	}
+
+	t.Run("scale nginx service to 1 replica twice", func(t *testing.T) {
+		swarmMock := mocks.NewServiceAPIClientMock()
+
+		serviceList := []swarm.Service{
+			{
+				ID:   "nginx_service",
+				Meta: swarm.Meta{Version: swarm.Version{}},
+				Spec: swarm.ServiceSpec{
+					Mode: swarm.ServiceMode{
+						Replicated: &swarm.ReplicatedService{
+							Replicas: &zeroreplicas,
+						},
+					},
+				},
+			},
+		}
+
+		swarmMock.On("ServiceList", mock.Anything, mock.Anything).Return(serviceList, nil)
+		swarmMock.On("ServiceUpdate", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return(types.ServiceUpdateResponse{
+			Warnings: []string{},
+		}, nil)
+
+		scaler := &DockerSwarmScaler{
+			Client: swarmMock,
+		}
+
+		scaler.ScaleUp("nginx")
+		scaler.ScaleUp("nginx")
+
+		swarmMock.AssertNumberOfCalls(t, "ServiceUpdate", 1)
+	})
 }
 
 func TestDockerSwarmScaler_ScaleDown(t *testing.T) {
@@ -148,6 +180,37 @@ func TestDockerSwarmScaler_ScaleDown(t *testing.T) {
 			tt.fields.Client.AssertExpectations(t)
 		})
 	}
+	t.Run("scale nginx service to 0 replica twice", func(t *testing.T) {
+		swarmMock := mocks.NewServiceAPIClientMock()
+
+		serviceList := []swarm.Service{
+			{
+				ID:   "nginx_service",
+				Meta: swarm.Meta{Version: swarm.Version{}},
+				Spec: swarm.ServiceSpec{
+					Mode: swarm.ServiceMode{
+						Replicated: &swarm.ReplicatedService{
+							Replicas: &onereplicas,
+						},
+					},
+				},
+			},
+		}
+
+		swarmMock.On("ServiceList", mock.Anything, mock.Anything).Return(serviceList, nil)
+		swarmMock.On("ServiceUpdate", mock.Anything, mock.Anything, mock.Anything, mock.Anything, mock.Anything).Return(types.ServiceUpdateResponse{
+			Warnings: []string{},
+		}, nil)
+
+		scaler := &DockerSwarmScaler{
+			Client: swarmMock,
+		}
+
+		scaler.ScaleDown("nginx")
+		scaler.ScaleDown("nginx")
+
+		swarmMock.AssertNumberOfCalls(t, "ServiceUpdate", 1)
+	})
 }
 
 func TestDockerSwarmScaler_IsUp(t *testing.T) {