diff --git a/‎packages/blockly/core/block_svg.ts‎
Lines changed: 8 additions & 5 deletions b/‎packages/blockly/core/block_svg.ts‎
Lines changed: 8 additions & 5 deletions
diff --git a/‎packages/blockly/tests/mocha/aria_test.js‎
Lines changed: 3 additions & 3 deletions b/‎packages/blockly/tests/mocha/aria_test.js‎
Lines changed: 3 additions & 3 deletions
@@ -67,6 +67,7 @@ import {Rect} from './utils/rect.js';
 import {Svg} from './utils/svg.js';
 import * as svgMath from './utils/svg_math.js';
 import {FlyoutItemInfo} from './utils/toolbox.js';
+import * as userAgent from './utils/useragent.js';
 import type {Workspace} from './workspace.js';
 import type {WorkspaceSvg} from './workspace_svg.js';
 
@@ -2020,11 +2021,13 @@ export class BlockSvg
       fullBlockField.recomputeAriaContext();
       return;
     }
-    aria.setState(
-      this.getFocusableElement(),
-      aria.State.LABEL,
-      this.getAriaLabel(aria.Verbosity.STANDARD),
-    );
+    let label = this.getAriaLabel(aria.Verbosity.STANDARD);
+    // VoiceOver inserts a comma between aria-label and aria-roledescription.
+    // Specific screen readers are not detectable, so OS is used as a proxy.
+    if (label && !userAgent.APPLE && !label.endsWith(',')) {
+      label += ',';
+    }
+    aria.setState(this.getFocusableElement(), aria.State.LABEL, label);
     configureAriaRole(this);
   }
 
 
@@ -555,7 +555,7 @@ suite('ARIA', function () {
         block.getFocusableElement(),
         Blockly.utils.aria.State.LABEL,
       );
-      assert.isTrue(label.endsWith('has input'));
+      assert.isTrue(label.replace(/,$/, '').endsWith('has input'));
     });
 
     test('Blocks with multiple inputs are properly labeled', function () {
@@ -564,7 +564,7 @@ suite('ARIA', function () {
         block.getFocusableElement(),
         Blockly.utils.aria.State.LABEL,
       );
-      assert.isTrue(label.endsWith('has inputs'));
+      assert.isTrue(label.replace(/,$/, '').endsWith('has inputs'));
     });
     test('Blocks with multiple statement inputs are properly labeled', function () {
       const json = {
@@ -592,7 +592,7 @@ suite('ARIA', function () {
       );
       assert.isFalse(label.includes('else if, do'));
       assert.isFalse(label.includes('else,'));
-      assert.isTrue(label.endsWith('has 4 branches'));
+      assert.isTrue(label.replace(/,$/, '').endsWith('has 4 branches'));
     });
   });