diff --git a/packages/blockly/core/block_aria_composer.ts b/packages/blockly/core/block_aria_composer.ts
index 312554eacb6..d8148ad1e8e 100644
--- a/packages/blockly/core/block_aria_composer.ts
+++ b/packages/blockly/core/block_aria_composer.ts
@@ -627,7 +627,7 @@ function getInputCountLabel(block: BlockSvg) {
     return (
       input.fieldRow.reduce((fieldCount, field) => {
         return field.EDITABLE && !field.isFullBlockField()
-          ? fieldCount++
+          ? ++fieldCount
           : fieldCount;
       }, totalSum) +
       (input.connection?.type === ConnectionType.INPUT_VALUE ? 1 : 0)
diff --git a/packages/blockly/tests/mocha/aria_test.js b/packages/blockly/tests/mocha/aria_test.js
index 56760c85323..16d67ac41f7 100644
--- a/packages/blockly/tests/mocha/aria_test.js
+++ b/packages/blockly/tests/mocha/aria_test.js
@@ -496,7 +496,7 @@ suite('ARIA', function () {
     });
 
     test('Blocks without inputs are properly labeled', function () {
-      const block = this.makeBlock('logic_boolean');
+      const block = this.makeBlock('logic_null');
       const label = Blockly.utils.aria.getState(
         block.getFocusableElement(),
         Blockly.utils.aria.State.LABEL,