diff --git a/api/http/handler/settings/settings_update.go b/api/http/handler/settings/settings_update.go
index 75f1870ce..6a5d5553a 100644
--- a/api/http/handler/settings/settings_update.go
+++ b/api/http/handler/settings/settings_update.go
@@ -116,18 +116,22 @@ func (handler *Handler) settingsUpdate(w http.ResponseWriter, r *http.Request) *
 	}
 
 	if payload.HelmRepositoryURL != nil {
-		newHelmRepo := strings.TrimSuffix(strings.ToLower(*payload.HelmRepositoryURL), "/")
+		if *payload.HelmRepositoryURL != "" {
+
+			newHelmRepo := strings.TrimSuffix(strings.ToLower(*payload.HelmRepositoryURL), "/")
+
+			if newHelmRepo != settings.HelmRepositoryURL && newHelmRepo != portainer.DefaultHelmRepositoryURL {
+				err := libhelm.ValidateHelmRepositoryURL(*payload.HelmRepositoryURL)
+				if err != nil {
+					return &httperror.HandlerError{http.StatusBadRequest, "Invalid Helm repository URL. Must correspond to a valid URL format", err}
+				}
 
-		if newHelmRepo != settings.HelmRepositoryURL && newHelmRepo != portainer.DefaultHelmRepositoryURL {
-			err := libhelm.ValidateHelmRepositoryURL(*payload.HelmRepositoryURL)
-			if err != nil {
-				return &httperror.HandlerError{http.StatusBadRequest, "Invalid Helm repository URL. Must correspond to a valid URL format", err}
 			}
-		}
 
-		settings.HelmRepositoryURL = newHelmRepo
-	} else {
-		settings.HelmRepositoryURL = ""
+			settings.HelmRepositoryURL = newHelmRepo
+		} else {
+			settings.HelmRepositoryURL = ""
+		}
 	}
 
 	if payload.BlackListedLabels != nil {
diff --git a/app/portainer/views/settings/settings.html b/app/portainer/views/settings/settings.html
index 7d6ab50fa..e311b817e 100644
--- a/app/portainer/views/settings/settings.html
+++ b/app/portainer/views/settings/settings.html
@@ -85,7 +85,7 @@
             <div class="form-group">
               <label for="helmrepository_url" class="col-sm-1 control-label text-left"> URL </label>
               <div class="col-sm-11">
-                <input type="text" class="form-control" ng-model="settings.HelmRepositoryURL" id="helmrepository_url" placeholder="https://charts.bitnami.com/bitnami" required />
+                <input type="text" class="form-control" ng-model="settings.HelmRepositoryURL" id="helmrepository_url" placeholder="https://charts.bitnami.com/bitnami" />
               </div>
             </div>
           </div>
diff --git a/yarn.lock b/yarn.lock
index 935082d60..9321c5f4c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4547,6 +4547,7 @@ angular-moment-picker@^0.10.2:
   dependencies:
     angular-mocks "1.6.1"
     angular-sanitize "1.6.1"
+    lodash-es "^4.17.15"
 
 angular-resource@1.8.2:
   version "1.8.2"