diff --git a/test/api/v3/integration/user/POST-user_class_cast_spellId.test.js b/test/api/v3/integration/user/POST-user_class_cast_spellId.test.js
index 0700122c15..379d04a9ec 100644
--- a/test/api/v3/integration/user/POST-user_class_cast_spellId.test.js
+++ b/test/api/v3/integration/user/POST-user_class_cast_spellId.test.js
@@ -58,6 +58,21 @@ describe('POST /user/class/cast/:spellId', () => {
       });
   });
 
+  it('returns an error if use Healing Light spell with full health', async () => {
+    await user.update({
+      'stats.class': 'healer',
+      'stats.lvl': 11,
+      'stats.hp': 50,
+      'stats.mp': 200,
+    });
+    await expect(user.post('/user/class/cast/heal'))
+      .to.eventually.be.rejected.and.eql({
+        code: 401,
+        error: 'NotAuthorized',
+        message: t('messageHealthAlreadyMax'),
+      });
+  });
+
   it('returns an error if spell.lvl > user.level', async () => {
     await user.update({'stats.mp': 200, 'stats.class': 'wizard'});
     await expect(user.post('/user/class/cast/earth'))
diff --git a/test/common/ops/spells.js b/test/common/ops/spells.js
new file mode 100644
index 0000000000..58d3965a7f
--- /dev/null
+++ b/test/common/ops/spells.js
@@ -0,0 +1,38 @@
+import {
+  generateUser,
+} from '../../helpers/common.helper';
+import spells from '../../../website/common/script/content/spells';
+import {
+  NotAuthorized,
+} from '../../../website/common/script/libs/errors';
+import i18n from '../../../website/common/script/i18n';
+
+// TODO complete the test suite...
+
+describe('shared.ops.spells', () => {
+  let user;
+
+  beforeEach(() => {
+    user = generateUser();
+  });
+
+  it('returns an error when healer tries to cast Healing Light with full health', (done) => {
+    user.stats.class = 'healer';
+    user.stats.lvl = 11;
+    user.stats.hp = 50;
+    user.stats.mp = 200;
+
+    let spell = spells.healer.heal;
+
+    try {
+      spell.cast(user);
+    } catch (err) {
+      expect(err).to.be.an.instanceof(NotAuthorized);
+      expect(err.message).to.equal(i18n.t('messageHealthAlreadyMax'));
+      expect(user.stats.hp).to.eql(50);
+      expect(user.stats.mp).to.eql(200);
+
+      done();
+    }
+  });
+});
\ No newline at end of file
diff --git a/website/client/mixins/spells.js b/website/client/mixins/spells.js
index f1d776c95d..405ef1a11d 100644
--- a/website/client/mixins/spells.js
+++ b/website/client/mixins/spells.js
@@ -85,7 +85,20 @@ export default {
 
       // the selected member doesn't have the flags property which sets `cardReceived`
       if (spell.pinType !== 'card') {
-        spell.cast(this.user, target);
+        try {
+          spell.cast(this.user, target);
+        } catch (e) {
+          if (!e.request) {
+            this.$store.dispatch('snackbars:add', {
+              title: '',
+              text: e.message,
+              type: 'error',
+            });
+            return;
+          } else {
+            throw e;
+          }
+        }
       }
 
       let targetId = target ? target._id : null;
diff --git a/website/common/script/content/spells.js b/website/common/script/content/spells.js
index d04bddd8e6..58d69d3755 100644
--- a/website/common/script/content/spells.js
+++ b/website/common/script/content/spells.js
@@ -211,6 +211,7 @@ spells.healer = {
     target: 'self',
     notes: t('spellHealerHealNotes'),
     cast (user) {
+      if (user.stats.hp >= 50) throw new NotAuthorized(t('messageHealthAlreadyMax')(user.language));
       user.stats.hp += (statsComputed(user).con + statsComputed(user).int + 5) * 0.075;
       if (user.stats.hp > 50) user.stats.hp = 50;
     },