diff --git a/src/InputCheck/LocalChecker.php b/src/InputCheck/LocalChecker.php
index 9ed5c444b..46ea30c7c 100644
--- a/src/InputCheck/LocalChecker.php
+++ b/src/InputCheck/LocalChecker.php
@@ -21,13 +21,13 @@ class LocalChecker extends BaseChecker {
 	 */
 	public function __construct( $tex = '', $type = 'tex' ) {
 		parent::__construct( $tex );
-		if ( $type !== 'tex' ) {
-			// this type check will be refactored with the introduction of chem-types:
-			// see: https://phabricator.wikimedia.org/T321262
+		if ( $type === 'tex' || $type === 'chem' || $type === 'inline-tex' ) {
+			$this->texVC = new TexVC();
+			$options = $type === 'chem' ? [ "usemhchem" => true ] : null;
+			$this->result = $this->texVC->check( $tex, $options );
+		} else {
 			throw new InvalidArgumentException( "Non supported type passed to LocalChecker: " . $type );
 		}
-		$this->texVC = new TexVC();
-		$this->result = $this->texVC->check( $tex );
 	}
 
 	/**
diff --git a/tests/phpunit/InputCheck/LocalCheckerTest.php b/tests/phpunit/InputCheck/LocalCheckerTest.php
index 2e8a42bcd..aa324afd8 100644
--- a/tests/phpunit/InputCheck/LocalCheckerTest.php
+++ b/tests/phpunit/InputCheck/LocalCheckerTest.php
@@ -24,14 +24,24 @@ class LocalCheckerTest extends MediaWikiIntegrationTestCase {
 		$this->assertSame( '\\sin x^{2}', $checker->getValidTex() );
 	}
 
-	public function testValidType() {
+	public function testValidTypeTex() {
 		$checker = new LocalChecker( '\sin x^2', 'tex' );
 		$this->assertTrue( $checker->isValid() );
 	}
 
+	public function testValidTypeChem() {
+		$checker = new LocalChecker( '{\\displaystyle {\\ce {\\cdot OHNO_{2}}}}', 'chem' );
+		$this->assertTrue( $checker->isValid() );
+	}
+
+	public function testValidTypeInline() {
+		$checker = new LocalChecker( '{\\textstyle \\log2 }', 'inline-tex' );
+		$this->assertTrue( $checker->isValid() );
+	}
+
 	public function testInvalidType() {
 		$this->expectException( InvalidArgumentException::class );
-		new LocalChecker( '\sin x^2', 'chem' );
+		new LocalChecker( '\sin x^2', 'INVALIDTYPE' );
 	}
 
 	public function testInvalid() {