diff --git a/rules/prefer-array-find.js b/rules/prefer-array-find.js
index 5a7376f0f9..191f4dfe03 100644
--- a/rules/prefer-array-find.js
+++ b/rules/prefer-array-find.js
@@ -113,7 +113,7 @@ const fixDestructuring = (source, node) => {
 	// `AssignmentExpression` always starts with `[` or `(`, so we don't need check ASI
 	const needParenthesize = isAssign &&
 		!isParenthesized(node, source) &&
-		assignmentNeedParenthesize(element.type !== 'AssignmentPattern' ? element : element.left);
+		assignmentNeedParenthesize(element.type === 'AssignmentPattern' ? element.left : element);
 
 	if (element.type !== 'AssignmentPattern') {
 		return {
@@ -141,7 +141,7 @@ const fixDestructuring = (source, node) => {
 			fixer.insertTextAfter(right, ` ${operator} ${defaultValueText}`),
 			needParenthesize && fixer.insertTextAfter(node, ')')
 		].filter(Boolean);
-	}
+	};
 
 	return {
 		suggest: [
@@ -152,7 +152,7 @@ const fixDestructuring = (source, node) => {
 			{
 				messageId: MESSAGE_ID_USE_LOGICAL_OR_OPERATOR,
 				fix: fix('||')
-			},
+			}
 		]
 	};
 };
diff --git a/test/prefer-array-find.js b/test/prefer-array-find.js
index 7fde3509b5..ef06267ec1 100644
--- a/test/prefer-array-find.js
+++ b/test/prefer-array-find.js
@@ -134,8 +134,8 @@ ruleTester.run('prefer-array-find', rule, {
 		}
 	]
 });
-// `const [foo] =`
 
+// `const [foo] =`
 ruleTester.run('prefer-array-find', rule, {
 	valid: [
 		// Test `const [item] = …`
@@ -527,18 +527,18 @@ ruleTester.run('prefer-array-find', rule, {
 	]
 });
 
-// Test `const foo = array.filter(); foo[0];`
+// `const foo = array.filter(); foo[0];`
 ruleTester.run('prefer-array-find', rule, {
 	valid: [
-		`const foo = array.find(bar), first = foo[0];`,
-		`const foo = array.filter(bar), first = foo[+0];`,
-		`const foo = array.filter(bar), first = a[foo][0];`,
-		`const foo = array.filter(bar), first = foo[-0];`,
-		`const foo = array.filter(bar), first = foo[1-1];`,
-		`const foo = array.filter(bar), first = foo["0"];`,
-		`const foo = array.filter(bar), first = foo.first;`,
-		`foo = array.filter(bar); const first = foo[+0];`,
-		`const {foo} = array.filter(bar), first = foo[0];`,
+		'const foo = array.find(bar), first = foo[0];',
+		'const foo = array.filter(bar), first = foo[+0];',
+		'const foo = array.filter(bar), first = a[foo][0];',
+		'const foo = array.filter(bar), first = foo[-0];',
+		'const foo = array.filter(bar), first = foo[1-1];',
+		'const foo = array.filter(bar), first = foo["0"];',
+		'const foo = array.filter(bar), first = foo.first;',
+		'foo = array.filter(bar); const first = foo[+0];',
+		'const {foo} = array.filter(bar), first = foo[0];',
 		outdent`
 			const foo = array.filter(bar);
 			doSomething(foo);
@@ -616,7 +616,7 @@ ruleTester.run('prefer-array-find', rule, {
 				}
 			`,
 			errors: [{messageId: MESSAGE_ID_DECLARATION}]
-		},
+		}
 	]
 });