diff --git a/addons/web/static/src/legacy/js/views/calendar/calendar_popover.js b/addons/web/static/src/legacy/js/views/calendar/calendar_popover.js
index 12d6c56e275..7f54bb5144d 100644
--- a/addons/web/static/src/legacy/js/views/calendar/calendar_popover.js
+++ b/addons/web/static/src/legacy/js/views/calendar/calendar_popover.js
@@ -31,6 +31,7 @@ var CalendarPopover = Widget.extend(WidgetAdapterMixin, StandaloneFieldManagerMi
         this.event = eventInfo.event;
         this.modelName = eventInfo.modelName;
         this._canDelete = eventInfo.canDelete;
+        this.popoverFields = eventInfo.popoverFields;
     },
     /**
      * @override
@@ -126,7 +127,7 @@ var CalendarPopover = Widget.extend(WidgetAdapterMixin, StandaloneFieldManagerMi
         var self = this;
         var fieldsToGenerate = [];
         const fieldInformation = {};
-        var fields = _.keys(this.displayFields);
+        var fields = _.keys(this.popoverFields);
         for (var i=0; i<fields.length; i++) {
             var fieldName = fields[i];
             var displayFieldInfo = self.displayFields[fieldName] || {attrs: {invisible: 1}};
@@ -139,6 +140,7 @@ var CalendarPopover = Widget.extend(WidgetAdapterMixin, StandaloneFieldManagerMi
                 string: displayFieldInfo.attrs.string || fieldInfo.string,
                 value: self.event.extendedProps.record[fieldName],
                 type: fieldInfo.type,
+                invisible: displayFieldInfo.attrs.invisible,
             };
             if (field.type === 'selection') {
                 field.selection = fieldInfo.selection;
@@ -200,7 +202,7 @@ var CalendarPopover = Widget.extend(WidgetAdapterMixin, StandaloneFieldManagerMi
                 // Only display the fields whose attributes does not make them invisible
                 let fieldClass = "list-group-item flex-shrink-0 d-flex flex-wrap";
                 if (fieldWidget.attrs && fieldWidget.attrs.modifiers) {
-                    const fieldModifier = record.evalModifiers(fieldWidget.attrs.modifiers);
+                    const fieldModifier = record.evalModifiers(_.pick(fieldWidget.attrs.modifiers, 'invisible'));
                     fieldClass += fieldModifier.invisible ? ' o_invisible_modifier' : '';
                 }
 
diff --git a/addons/web/static/src/legacy/js/views/calendar/calendar_renderer.js b/addons/web/static/src/legacy/js/views/calendar/calendar_renderer.js
index ef560a8eb58..29c04fadee3 100644
--- a/addons/web/static/src/legacy/js/views/calendar/calendar_renderer.js
+++ b/addons/web/static/src/legacy/js/views/calendar/calendar_renderer.js
@@ -180,6 +180,7 @@ return AbstractRenderer.extend({
     init: function (parent, state, params) {
         this._super.apply(this, arguments);
         this.displayFields = params.displayFields;
+        this.popoverFields = params.popoverFields;
         this.model = params.model;
         this.filters = [];
         this.color_map = {};
@@ -807,6 +808,7 @@ return AbstractRenderer.extend({
             event: eventData,
             modelName: this.model,
             canDelete: this.canDelete,
+            popoverFields: this.popoverFields,
         };
 
         var start = moment((eventData.extendedProps && eventData.extendedProps.r_start) || eventData.start);
diff --git a/addons/web/static/src/legacy/js/views/calendar/calendar_view.js b/addons/web/static/src/legacy/js/views/calendar/calendar_view.js
index d4a4277ff18..9e69842a989 100644
--- a/addons/web/static/src/legacy/js/views/calendar/calendar_view.js
+++ b/addons/web/static/src/legacy/js/views/calendar/calendar_view.js
@@ -69,6 +69,7 @@ var CalendarView = AbstractView.extend({
         var mapping = {};
         var fieldNames = fields.display_name ? ['display_name'] : [];
         var displayFields = {};
+        let popoverFields = {};
 
         _.each(fieldsToGather, function (field) {
             if (arch.attrs[field]) {
@@ -87,6 +88,7 @@ var CalendarView = AbstractView.extend({
             if (child.tag !== 'field') return;
             var fieldName = child.attrs.name;
             fieldNames.push(fieldName);
+            popoverFields[fieldName] = {attrs: child.attrs};
             if (!child.attrs.invisible || child.attrs.filters) {
                 child.attrs.options = child.attrs.options ? pyUtils.py_eval(child.attrs.options) : {};
                 if (!child.attrs.invisible) {
@@ -177,6 +179,7 @@ var CalendarView = AbstractView.extend({
         this.controllerParams.scales = scales;
 
         this.rendererParams.displayFields = displayFields;
+        this.rendererParams.popoverFields = popoverFields;
         this.rendererParams.model = viewInfo.model;
         this.rendererParams.hideDate = utils.toBoolElse(attrs.hide_date || '', false);
         this.rendererParams.hideTime = utils.toBoolElse(attrs.hide_time || '', false);
diff --git a/addons/web/static/tests/legacy/views/calendar_tests.js b/addons/web/static/tests/legacy/views/calendar_tests.js
index ecda3b415f2..753e271c23e 100644
--- a/addons/web/static/tests/legacy/views/calendar_tests.js
+++ b/addons/web/static/tests/legacy/views/calendar_tests.js
@@ -938,7 +938,7 @@ QUnit.module('Views', {
     });
 
     QUnit.test('render popover with modifiers', async function (assert) {
-        assert.expect(3);
+        assert.expect(5);
 
         this.data.event.fields.priority = {string: "Priority", type: "selection", selection: [['0', 'Normal'], ['1', 'Important']],};
 
@@ -953,6 +953,10 @@ QUnit.module('Views', {
                 'all_day="allday" '+
                 'mode="week">'+
                 '<field name="priority" widget="priority" readonly="1"/>'+
+                '<field name="is_hatched" invisible="1"/>'+
+                '<field name="partner_id" attrs=\'{"invisible": [["is_hatched","=",False]]}\'/>'+
+                '<field name="start" attrs=\'{"invisible": [["is_hatched","=",True]]}\'/>'+
+
             '</calendar>',
             archs: archs,
             viewOptions: {
@@ -964,7 +968,8 @@ QUnit.module('Views', {
 
         assert.containsOnce(calendar, '.o_cw_popover', "should open a popover clicking on event");
         assert.containsOnce(calendar, '.o_cw_popover .o_priority span.o_priority_star', "priority field should not be editable");
-
+        assert.strictEqual(calendar.$('.o_cw_popover li.o_invisible_modifier').text(), 'user : partner 1', "partner_id field should be invisible");
+        assert.containsOnce(calendar, '.o_cw_popover  span.o_field_date', "The start date should be visible");
         await testUtils.dom.click($('.o_cw_popover .o_cw_popover_close'));
         assert.containsNone(calendar, '.o_cw_popover', "should close a popover");