diff --git a/custom_components/taskmate/www/taskmate-rewards-card.js b/custom_components/taskmate/www/taskmate-rewards-card.js
index e9582fec..49bb26e1 100644
--- a/custom_components/taskmate/www/taskmate-rewards-card.js
+++ b/custom_components/taskmate/www/taskmate-rewards-card.js
@@ -1152,6 +1152,18 @@ class TaskMateRewardsCard extends LitElement {
     };
   }
 
+  // The rewards the card lists: those open to everyone plus those assigned to
+  // the pinned child, or to the selected tab when nothing is pinned (#1074).
+  // Without the tab filter a child was offered a sibling's reward to claim.
+  _rewardsFor(allRewards) {
+    const childId = this.config.child_id || this._selectedChildId;
+    if (!childId) return allRewards;
+    return allRewards.filter((reward) => {
+      const assignedTo = reward.assigned_to || [];
+      return assignedTo.length === 0 || assignedTo.includes(childId);
+    });
+  }
+
   _selectChild(id) {
     this._selectedChildId = id;
   }
@@ -1216,15 +1228,7 @@ class TaskMateRewardsCard extends LitElement {
     const pointsIcon = attrs.points_icon || "mdi:star";
     const pointsName = attrs.points_name || this._t("common.stars");
 
-    // Filter rewards based on child_id if configured
-    let rewards = allRewards;
-    if (this.config.child_id) {
-      rewards = allRewards.filter((reward) => {
-        const assignedTo = reward.assigned_to || [];
-        // Show reward if assigned_to is empty (available to all) OR contains the child_id
-        return assignedTo.length === 0 || assignedTo.includes(this.config.child_id);
-      });
-    }
+    const rewards = this._rewardsFor(allRewards);
 
     // Sort rewards: jackpot first, then by calculated cost ascending within each group
     const sortedRewards = [...rewards].sort((a, b) => {
@@ -2009,13 +2013,7 @@ class TaskMateRewardsCard extends LitElement {
     const pointsIcon = attrs.points_icon || "mdi:star";
     const pointsName = attrs.points_name || this._t("common.stars");
 
-    let rewards = allRewards;
-    if (this.config.child_id) {
-      rewards = allRewards.filter((reward) => {
-        const assignedTo = reward.assigned_to || [];
-        return assignedTo.length === 0 || assignedTo.includes(this.config.child_id);
-      });
-    }
+    const rewards = this._rewardsFor(allRewards);
 
     const sortedRewards = [...rewards].sort((a, b) => {
       if (a.is_jackpot && !b.is_jackpot) return -1;
@@ -2030,16 +2028,20 @@ class TaskMateRewardsCard extends LitElement {
 
     const header = this._designHeader(rewards.length);
 
-    const body = sortedRewards.length === 0
-      ? html`<div class="tmd-empty">${this._t('rewards.empty_title')}<br>${this._t('rewards.empty_subtitle')}</div>`
+    const empty = html`<div class="tmd-empty">${this._t('rewards.empty_title')}<br>${this._t('rewards.empty_subtitle')}</div>`;
+    // The tabs stay up when only the selected child has nothing, so the other
+    // children can still be picked (#1074).
+    const body = allRewards.length === 0
+      ? empty
       : html`
         ${this._designChildTabs(this._family(children))}
         ${(anyPoolReward && activeChild) || activeChild
           ? this._designChildSelector(activeChild, pointsIcon, pointsName, design)
           : ''}
+        ${sortedRewards.length === 0 ? empty : html`
         <div class="rw-list ${this.config.expand_to_fit === false ? 'rw-scroll' : ''}">
           ${sortedRewards.map((r) => this._designRewardRow(r, children, pointsIcon, pointsName, design))}
-        </div>`;
+        </div>`}`;
 
     return html`
       <ha-card class="tmd" style="--hd:${hd}">
diff --git a/tests/frontend/taskmate-rewards-card.test.cjs b/tests/frontend/taskmate-rewards-card.test.cjs
index f849bc8f..4f584574 100644
--- a/tests/frontend/taskmate-rewards-card.test.cjs
+++ b/tests/frontend/taskmate-rewards-card.test.cjs
@@ -204,3 +204,50 @@ test("a card pinned to a child still shows that child's progress", () => {
 
   assert.deepEqual(progress(pinned), { classic: [25], designed: [25] });
 });
+
+// With no child_id pinned, every tab listed every reward, so a child was shown
+// a reward assigned only to a sibling, with a claim button the backend then
+// refused (#1074). The selected tab now filters the list like a pinned card.
+
+function fullCard(selectedChildId, design, rewards) {
+  const card = new RewardsCard();
+  card.config = { entity: "sensor.taskmate_overview", ...(design ? { card_design: design } : {}) };
+  card.hass = {
+    states: {
+      "sensor.taskmate_overview": {
+        state: "2",
+        attributes: {
+          children: [
+            { id: "kid1", name: "Kid 1", points: 30 },
+            { id: "kid2", name: "Kid 2", points: 10 },
+          ],
+          rewards,
+        },
+      },
+    },
+  };
+  card._selectedChildId = selectedChildId;
+  return render(card.render()).markup;
+}
+
+const OPEN = { id: "film", name: "Film night", cost: 40, assigned_to: [] };
+const SIBLING = { id: "bike", name: "Bike ride", cost: 20, assigned_to: ["kid2"] };
+
+for (const design of [null, "playroom"]) {
+  const label = design || "classic";
+
+  test(`${label}: a tab lists only the rewards that child can have`, () => {
+    const kid1 = fullCard("kid1", design, [OPEN, SIBLING]);
+    const kid2 = fullCard("kid2", design, [OPEN, SIBLING]);
+    assert.match(kid1, /Film night/);
+    assert.doesNotMatch(kid1, /Bike ride/);
+    assert.match(kid2, /Film night/);
+    assert.match(kid2, /Bike ride/);
+  });
+
+  test(`${label}: the tabs stay when the selected child has no rewards`, () => {
+    const kid1 = fullCard("kid1", design, [SIBLING]);
+    assert.doesNotMatch(kid1, /Bike ride/);
+    assert.match(kid1, /Kid 2/);
+  });
+}