diff --git a/CHANGELOG.md b/CHANGELOG.md
index 60d0aada9..623c2afce 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,7 @@
 - Fix a bug: replaces all Time.now by DateTime.current to prevent time zones issues [Taiga#134]
 - Fix a bug: logs are not printed in staging environment
 - Fix a bug: theme colors must be selected twice before the changes became effective
+- Fix a bug: datepicker does not work in profile completion screen
 - Fix a security issue: updated loofah to fix [CVE-2019-15587](https://github.com/advisories/GHSA-c3gv-9cxf-6f57)
 - Fix a security issue: updated angular to 1.7.9 to fix [CVE-2019-10768](https://github.com/advisories/GHSA-89mq-4x47-5v83)
 - Fix a security issue: updated puma to 3.12.2 to fix [GHSA-7xx3-m584-x994](https://github.com/advisories/GHSA-7xx3-m584-x994)
diff --git a/app/assets/javascripts/controllers/profile.js.erb b/app/assets/javascripts/controllers/profile.js.erb
index 7a893f7a1..0ae5e79ce 100644
--- a/app/assets/javascripts/controllers/profile.js.erb
+++ b/app/assets/javascripts/controllers/profile.js.erb
@@ -206,7 +206,7 @@ Application.Controllers.controller('CompleteProfileController', ['$scope', '$roo
       CSRF.setMetaTags();
 
       // init the birth date to JS object
-      $scope.user.statistic_profile.birthday = moment($scope.user.statistic_profile.birthday).toDate();
+      $scope.user.statistic_profile.birthday = $scope.user.statistic_profile.birthday ? moment($scope.user.statistic_profile.birthday).toDate() : undefined;
 
       // bind fields protection with sso fields
       angular.forEach(activeProviderPromise.mapping, function (map) { $scope.preventField[map] = true; });