diff --git a/core/src/main/java/de/srsoftware/umbrella/core/constants/Text.java b/core/src/main/java/de/srsoftware/umbrella/core/constants/Text.java
index 1b27632d..41aab871 100644
--- a/core/src/main/java/de/srsoftware/umbrella/core/constants/Text.java
+++ b/core/src/main/java/de/srsoftware/umbrella/core/constants/Text.java
@@ -40,11 +40,12 @@ public class Text {
 	public static final String MESSAGE = "message";
 	public static final String MESSAGES = "messages";
 
-	public static final String NOT_ALLOWED_TO_EDIT = "You are not allowed to edit {object}!";
-	public static final String NOTE                = "note";
-	public static final String NOTES               = "notes";
-	public static final String NOTE_WITH_ID        = "note ({id})";
-	public static final String NUMBER              = "number";
+	public static final String NOT_ALLOWED_TO_EDIT     = "You are not allowed to edit {object}!";
+	public static final String NOT_ALLOWED_TO_EVALUATE = "You are not allowed to evaluate this {object}!";
+	public static final String NOTE                    = "note";
+	public static final String NOTES                   = "notes";
+	public static final String NOTE_WITH_ID            = "note ({id})";
+	public static final String NUMBER                  = "number";
 
 	public static final Object OPTION = "option"
 			;
diff --git a/frontend/src/routes/poll/Evaluate.svelte b/frontend/src/routes/poll/Evaluate.svelte
index 521b9692..c1517185 100644
--- a/frontend/src/routes/poll/Evaluate.svelte
+++ b/frontend/src/routes/poll/Evaluate.svelte
@@ -38,10 +38,10 @@
 		border: 1px solid lime;
 		vertical-align: bottom;
 		position: relative;
-		width: 15px;
+		width: 20px;
 	}
 	.histogram{
-		height: 40px;
+		height: 60px;
 	}
 	.histogram span span{
 		position: absolute;
@@ -73,9 +73,7 @@
 				<td class="histogram">
 					{#each Object.entries(hist) as [weight,count]}
 					<span style="height: {100*count/max_val(hist)}%">
-						<span>
-							{weight}
-						</span>
+						<span>{weight}</span>
 					</span>
 					{/each}
 				</td>
diff --git a/frontend/src/routes/poll/View.svelte b/frontend/src/routes/poll/View.svelte
index 8f388ff0..3fbe9567 100644
--- a/frontend/src/routes/poll/View.svelte
+++ b/frontend/src/routes/poll/View.svelte
@@ -8,7 +8,8 @@
 	import { t } from '../../translations.svelte';
 	let poll = $state(null);
 	let selection = $state({});
-	let editor = user ? { name: user.name, user_id : user.id } : { name : '', user_id : -1 };
+	let editor = $state(user ? { name: user.name, user_id : user.id } : { name : '', user_id : -1 })
+	let disabled = $state(false);
 
 	async function load(){
 		let url = api('poll/'+id);
@@ -20,7 +21,7 @@
 	}
 
 	async function save(ev){
-		console.log({ev,editor,selection});
+		disabled = true;
 		let url = api(`poll/${id}/select`);
 		let res = await post(url,{editor,selection});
 		if (res.ok) {
@@ -29,6 +30,7 @@
 	}
 
 	function select(option,weight){
+		disabled = false;
 		selection[option.id] = +weight;
 	}
 
@@ -95,9 +97,8 @@
 			{/each}
 		</tbody>
 	</table>
-	{#if Object.keys(selection).length}
-	<button onclick={save}>{t('save')}</button>
-	{/if}
+	<button onclick={save} disabled={disabled || !editor.name || !Object.keys(selection).length}>{t('save')} </button>
 </fieldset>
 <div class="warn">TODO: add notes</div>
+<div class="warn">TODO: load previous selection for logged-in user</div>
 {/if}
\ No newline at end of file
diff --git a/poll/src/main/java/de/srsoftware/umbrella/poll/PollModule.java b/poll/src/main/java/de/srsoftware/umbrella/poll/PollModule.java
index 1c2a49a0..5773d549 100644
--- a/poll/src/main/java/de/srsoftware/umbrella/poll/PollModule.java
+++ b/poll/src/main/java/de/srsoftware/umbrella/poll/PollModule.java
@@ -97,6 +97,7 @@ public class PollModule extends BaseHandler implements PollService {
 		var poll = pollDb.loadPoll(pollId);
 		var permitted = !poll.isPrivate() || poll.owner().equals(user);
 		if (!permitted && poll.permissions().get(user) == null) throw forbidden(Text.NOT_ALLOWED_TO_EDIT, Field.OBJECT,Text.POLL);
+		var eval = pollDb.loadEvaluation(pollId);
 		return sendContent(ex,poll);
 	}
 
@@ -104,8 +105,15 @@ public class PollModule extends BaseHandler implements PollService {
 		if (user == null) return unauthorized(ex);
 		if (path.empty()) throw missingField(ID);
 		var poll = pollDb.loadPoll(path.pop());
-		var permitted = poll.owner().equals(user);
-		if (!permitted && !Set.of(Permission.EDIT, Permission.OWNER).contains(poll.permissions().get(user))) throw forbidden(Text.NOT_ALLOWED_TO_EDIT, Field.OBJECT,Text.POLL);
+		if (!poll.owner().equals(user)) {
+			switch (poll.permissions().get(user)) {
+				case Permission.EDIT:
+				case Permission.OWNER:
+					break;
+				case null, default:
+					throw forbidden(Text.NOT_ALLOWED_TO_EVALUATE, Field.OBJECT, Text.POLL);
+			}
+		}
 		var result = new HashMap<>(poll.toMap());
 		var evaluation = pollDb.loadEvaluation(poll.id());
 		result.put(Field.EVALUATION,evaluation.toMap());
@@ -199,11 +207,9 @@ public class PollModule extends BaseHandler implements PollService {
 	private boolean postToPoll(HttpExchange ex, UmbrellaUser user, String id, Path path) throws IOException {
 		var head = path.pop();
 		var poll = pollDb.loadPoll(id);
-		if (user == null) {
-			if (SELECT.equals(head)) {
-				if (poll.isPrivate() && poll.permissions().get(user) == null) return unauthorized(ex);
-				postSelection(ex, poll, user);
-			}
+		if (SELECT.equals(head)) {
+			if (user == null && poll.isPrivate()) return unauthorized(ex);
+			return postSelection(ex, poll, null);
 		}
 		var permitted = poll.owner().equals(user);
 		if (!permitted && !Set.of(Permission.OWNER, Permission.EDIT).contains(poll.permissions().get(user))) throw forbidden(Text.NOT_ALLOWED_TO_EDIT, Field.OBJECT,Text.POLL);
@@ -246,16 +252,14 @@ public class PollModule extends BaseHandler implements PollService {
 			if (!(job.get(key) instanceof Integer weight)) throw invalidField(Field.WEIGHT,Text.NUMBER);
 			map.put(optionId,weight);
 		}
-		if (user != null) {
-			pollDb.saveSelection(poll, map, user);
-		} else {
+		if (user == null) {
 			if (!json.has(Field.EDITOR)) throw missingField(Field.EDITOR);
 			if (!(json.get(Field.EDITOR) instanceof JSONObject editor)) throw invalidField(Field.EDITOR,JSON);
 			if (!editor.has(Field.NAME)) throw missingField(format("{0}.{1}}",Field.EDITOR,Field.NAME));
 			if (!(editor.get(Field.NAME) instanceof String name)) throw invalidField(format("{0}.{1}",Field.EDITOR,Field.NAME),Text.STRING);
 			pollDb.saveSelection(poll, map, name);
-		}
-		return notFound(ex);
+		} else pollDb.saveSelection(poll, map, user);
+		return sendContent(ex,poll);
 	}
 
 	private boolean postOption(HttpExchange ex, Poll poll) throws IOException {