diff --git a/umap/static/umap/js/umap.controls.js b/umap/static/umap/js/umap.controls.js
index 4884304a..eaed1b82 100644
--- a/umap/static/umap/js/umap.controls.js
+++ b/umap/static/umap/js/umap.controls.js
@@ -434,6 +434,47 @@ L.U.MoreControls = L.Control.extend({
 });
 
 
+L.U.PermanentCreditsControl = L.Control.extend({
+
+    options: {
+        position: 'bottomleft'
+    },
+
+    initialize: function (map) {
+        this.map = map;
+    },
+
+    onAdd: function () {
+        var paragraphContainer = L.DomUtil.create('div', 'umap-permanent-credits-container'),
+            creditsParagraph = L.DomUtil.create('p', '', paragraphContainer);
+
+        this.paragraphContainer = paragraphContainer;
+        this.setCredits();
+        this.setBackground();
+
+        return paragraphContainer;
+    },
+
+    _update: function () {
+        this.setCredits();
+        this.setBackground();
+    },
+
+    setCredits: function () {
+        this.paragraphContainer.innerHTML = L.Util.toHTML(this.map.options.permanentCredit);
+    },
+
+    setBackground: function () {
+        if (this.map.options.permanentCreditBackground) {
+            this.paragraphContainer.style.backgroundColor = '#FFFFFFB0';
+        } else {
+            this.paragraphContainer.style.backgroundColor = '';
+        }
+    }
+    
+});
+
+
 L.U.DataLayersControl = L.Control.extend({
 
     options: {
diff --git a/umap/static/umap/js/umap.core.js b/umap/static/umap/js/umap.core.js
index a6201360..30aaa4cb 100644
--- a/umap/static/umap/js/umap.core.js
+++ b/umap/static/umap/js/umap.core.js
@@ -452,6 +452,7 @@ L.U.Help = L.Class.extend({
     fillColor: L._('Optional. Same as color if not set.'),
     shortCredit: L._('Will be displayed in the bottom right corner of the map'),
     longCredit: L._('Will be visible in the caption of the map'),
+    permanentCredit: L._('Will be permanently visible in the bottom left corner of the map'),
     sortKey: L._('Property to use for sorting features'),
     slugKey: L._('The name of the property to use as feature unique identifier.'),
     filterKey: L._('Comma separated list of properties to use when filtering features'),
diff --git a/umap/static/umap/js/umap.js b/umap/static/umap/js/umap.js
index 4222ef49..6521c221 100644
--- a/umap/static/umap/js/umap.js
+++ b/umap/static/umap/js/umap.js
@@ -46,7 +46,8 @@ L.Map.mergeOptions({
     slideshow: {},
     clickable: true,
     easing: true,
-    permissions: {}
+    permissions: {},
+    permanentCreditBackground: true,
 });
 
 L.U.Map.include({
@@ -274,6 +275,7 @@ L.U.Map.include({
         this._controls.measure = (new L.MeasureControl()).initHandler(this);
         this._controls.more = new L.U.MoreControls();
         this._controls.scale = L.control.scale();
+        if (this.options.permanentCredit) this.permanentCreditControl = (new L.U.PermanentCreditsControl(this)).addTo(this);
         if (this.options.scrollWheelZoom) this.scrollWheelZoom.enable();
         else this.scrollWheelZoom.disable();
         this.renderControls();
@@ -1076,6 +1078,8 @@ L.U.Map.include({
         'labelInteractive',
         'shortCredit',
         'longCredit',
+        'permanentCredit',
+        'permanentCreditBackground',
         'zoomControl',
         'datalayersControl',
         'searchControl',
@@ -1379,10 +1383,14 @@ L.U.Map.include({
         var creditsFields = [
             ['options.licence', {handler: 'LicenceChooser', label: L._('licence')}],
             ['options.shortCredit', {handler: 'Input', label: L._('Short credits'), helpEntries: ['shortCredit', 'textFormatting']}],
-            ['options.longCredit', {handler: 'Textarea', label: L._('Long credits'), helpEntries: ['longCredit', 'textFormatting']}]
+            ['options.longCredit', {handler: 'Textarea', label: L._('Long credits'), helpEntries: ['longCredit', 'textFormatting']}],
+            ['options.permanentCredit', {handler: 'Textarea', label: L._('Permanent credits'), helpEntries: ['permanentCredit', 'textFormatting']}],
+            ['options.permanentCreditBackground', {handler: 'Switch', label: L._('Permanent credits background')}]
         ];
         var creditsBuilder = new L.U.FormBuilder(this, creditsFields, {
-            callback: function () {this._controls.attribution._update();},
+            callback: function () {
+                this._controls.attribution._update();
+                this.permanentCreditControl._update();},
             callbackContext: this
         });
         credits.appendChild(creditsBuilder.build());
diff --git a/umap/static/umap/map.css b/umap/static/umap/map.css
index c57f4596..5939f335 100644
--- a/umap/static/umap/map.css
+++ b/umap/static/umap/map.css
@@ -117,6 +117,12 @@ a.umap-control-text {
 .leaflet-control-edit-enable a:hover {
     background-color: #4d5759;
 }
+.umap-permanent-credits-container {
+    max-width: 20rem;
+    margin: 0!important;
+    padding: 0.5rem;
+    border-top-right-radius: 1rem;
+}
 
 
 
@@ -1366,6 +1372,11 @@ a.add-datalayer:hover,
     .leaflet-control-layers-expanded {
         margin-left: 10px;
     }
+
+    .umap-permanent-credits-container {
+        max-width: 100%;
+        border-top-right-radius: 0;
+    }
 }
 
 /* ****** */