diff --git a/src/client/actions/ParticipantActions.js b/src/client/actions/ParticipantActions.js
index e9c2dc86..8a1c6042 100644
--- a/src/client/actions/ParticipantActions.js
+++ b/src/client/actions/ParticipantActions.js
@@ -49,7 +49,7 @@ export function getParticipantActions(alt, participantResource, errorActions) {
             } else {
               this.participantListUpdated(participantList);
             }
-          }, err => errorActions.error(err, 'Osallitujia ei voitu ladata'));
+          }, err => errorActions.error(err, 'Osallistujia ei voitu ladata'));
       };
     }
 
@@ -61,9 +61,12 @@ export function getParticipantActions(alt, participantResource, errorActions) {
     }
 
     updateParticipantPresences(ids, newValue, offset, limit, order, filter) {
-      participantResource.raw('post', 'massAssign', { body: { ids: ids, newValue: newValue, fieldName: 'presence' } })
-        .then(response => this.loadParticipantList(offset, limit, order, filter),
-              err => errorActions.error(err, 'Osallistujien tilan päivitys epäonnistui'));
+      return dispatch => {
+        dispatch();
+        participantResource.raw('post', 'massAssign', { body: { ids: ids, newValue: newValue, fieldName: 'presence' } })
+          .then(response => this.loadParticipantList(offset, limit, order, filter),
+                err => errorActions.error(err, 'Osallistujien tilan päivitys epäonnistui'));
+      };
     }
 
     updateProperty(participantId, property, value) {
diff --git a/src/client/components/ParticipantListPage/ParticipantListPage.jsx b/src/client/components/ParticipantListPage/ParticipantListPage.jsx
index f74ee138..c5cf6501 100644
--- a/src/client/components/ParticipantListPage/ParticipantListPage.jsx
+++ b/src/client/components/ParticipantListPage/ParticipantListPage.jsx
@@ -1,6 +1,6 @@
 import React from 'react';
 import _ from 'lodash';
-import { Table, Grid, Row, Col, Input, Button } from 'react-bootstrap';
+import { Table, Grid, Row, Col, Input } from 'react-bootstrap';
 import { getParticipantListUpdater } from './containers/ParticipantListUpdater';
 import { getSortableHeaderCellContainer } from './containers/SortableHeaderCellContainer';
 import { getListOffsetSelectorContainer } from './containers/ListOffsetSelectorContainer';
@@ -8,6 +8,7 @@ import { getParticipantRowsContainer } from './containers/ParticipantRowsContain
 import { getQuickFilterContainer } from './containers/QuickFilterContainer';
 import { getParticipantCount } from './containers/ParticipantCount';
 import { getPresenceLabel } from '../../components';
+import { LoadingButton } from '../../components';
 
 function getOrder(query) {
   try {
@@ -35,22 +36,36 @@ function getLimit(query) {
   return query.limit && Number(query.limit) || 200;
 }
 
-export function getMassEdit() {
+export function getMassEdit(participantStore) {
   class MassEdit extends React.Component {
     constructor(props){
       super(props);
-      this.state = {};
+      this.state = { loading: false };
       this.onSubmit = this.onSubmit.bind(this);
       this.onChange = this.onChange.bind(this);
+      this.onStoreChanged = this.onStoreChanged.bind(this);
     }
 
     onSubmit(event) {
       event.preventDefault();
       if (this.state.value !== null && this.state.value !== 'null') {
+        this.setState({ value: this.state.value, loading: true });
         this.props.onSubmit(this.state.value);
       }
     }
 
+    componentDidMount() {
+      participantStore.listen(this.onStoreChanged);
+    }
+
+    componentWillUnmount() {
+      participantStore.unlisten(this.onStoreChanged);
+    }
+
+    onStoreChanged() {
+      this.setState({ loading: false });
+    }
+
     onChange(event){
       event.persist();
       this.setState({ value: event.target.value });
@@ -69,7 +84,7 @@ export function getMassEdit() {
             <option value="2">{ tmpOutCampLabel }</option>
             <option value="3">{ outCampLabel }</option>
           </Input>
-          <Button type="submit" bsStyle="primary" disabled={ (this.props.count > 0 ? false : true) }>Tallenna</Button>
+          <LoadingButton loading={ this.state.loading } bsStyle="primary" label="Tallenna" labelWhileLoading="Tallennetaan…"/>
         </form>
       );
     }
@@ -118,7 +133,7 @@ export function getParticipantListPage(participantStore, participantActions, sea
   const ParticipantRowsContainer = getParticipantRowsContainer(participantStore);
   const QuickFilterContainer = getQuickFilterContainer(participantStore, participantActions, searchFilterActions, searchFilterStore);
   const ParticipantCount = getParticipantCount(participantStore);
-  const MassEdit = getMassEdit();
+  const MassEdit = getMassEdit(participantStore);
   const SelectAll = getSelectAll();
 
   class ParticipantListPage extends React.Component {
diff --git a/src/client/components/ParticipantListPage/containers/ParticipantRowsContainer.jsx b/src/client/components/ParticipantListPage/containers/ParticipantRowsContainer.jsx
index 2e00590a..9420a8a8 100644
--- a/src/client/components/ParticipantListPage/containers/ParticipantRowsContainer.jsx
+++ b/src/client/components/ParticipantListPage/containers/ParticipantRowsContainer.jsx
@@ -52,7 +52,7 @@ export function getParticipantRowsContainer(participantStore) {
 
       const rowCreator = element => <ParticipantRow key={ element.participantId } isChecked={ isChecked } checkboxCallback={ checkboxCallback } availableDates={ availableDates } participant={ element } />;
 
-      return this.state.participants === undefined
+      return this.state.loading
         ? (
           <tbody>
             <tr>
diff --git a/src/client/components/Util/LoadingButton.jsx b/src/client/components/Util/LoadingButton.jsx
new file mode 100644
index 00000000..36ac7f98
--- /dev/null
+++ b/src/client/components/Util/LoadingButton.jsx
@@ -0,0 +1,22 @@
+import React from 'react';
+import { Button } from 'react-bootstrap';
+
+export class LoadingButton extends React.Component {
+  render() {
+    return (
+      <Button
+        type="submit"
+        disabled={ this.props.loading }
+        bsStyle={ this.props.bsStyle }>
+        { this.props.loading ? this.props.labelWhileLoading : this.props.label }
+      </Button>
+    );
+  }
+}
+
+LoadingButton.propTypes = {
+  loading: React.PropTypes.bool.isRequired,
+  label: React.PropTypes.string.isRequired,
+  labelWhileLoading: React.PropTypes.string.isRequired,
+  bsStyle: React.PropTypes.string,
+};
diff --git a/src/client/components/index.js b/src/client/components/index.js
index d312836c..36332240 100644
--- a/src/client/components/index.js
+++ b/src/client/components/index.js
@@ -26,3 +26,4 @@ export { PresenceHistory } from './ParticipantDetailsPage/PresenceHistory';
 export { ParticipantDates } from './ParticipantDetailsPage/ParticipantDates';
 export { getLogin } from './OfflineLogin';
 export { PropertyTextArea } from './PropertyTextArea';
+export { LoadingButton } from './Util/LoadingButton';
diff --git a/src/client/stores/ParticipantStore.js b/src/client/stores/ParticipantStore.js
index 22465f12..31277e5f 100644
--- a/src/client/stores/ParticipantStore.js
+++ b/src/client/stores/ParticipantStore.js
@@ -22,13 +22,14 @@ export function getParticipantStore(alt, ParticipantActions, RegistryUserActions
     }
 
     handleLoadParticipantList(countParticipants) {
-      this.participants = undefined;
+      this.loading = true;
       if (countParticipants) {
         this.participantCount = undefined;
       }
     }
 
     handleParticipantListUpdated({ participants, newCount }) {
+      this.loading = false;
       this.participants = participants;
       if (newCount !== undefined) {
         this.participantCount = newCount;
diff --git a/src/client/styles.scss b/src/client/styles.scss
index d6adcf63..ed724b54 100644
--- a/src/client/styles.scss
+++ b/src/client/styles.scss
@@ -65,6 +65,15 @@ $screen-sm: 768px;
 @import "~bootstrap-sass/assets/stylesheets/_bootstrap.scss";
 @import "~react-spinner/react-spinner.css";
 
+table .react-spinner, .h2 .react-spinner {
+  top: 15px;
+  left: 15px;
+}
+
+.react-spinner_bar {
+  background: $mid-grey;
+}
+
 /**
  * Tables
  */