diff --git a/includes/api/ApiBlock.php b/includes/api/ApiBlock.php
index 3581ac85149..8976626a57e 100644
--- a/includes/api/ApiBlock.php
+++ b/includes/api/ApiBlock.php
@@ -57,20 +57,6 @@ class ApiBlock extends ApiBase {
 		$editingRestriction = 'sitewide';
 		$pageRestrictions = '';
 		if ( $this->getConfig()->get( 'EnablePartialBlocks' ) ) {
-			if ( $params['pagerestrictions'] ) {
-				$count = count( $params['pagerestrictions'] );
-				if ( $count > 10 ) {
-					$this->dieWithError(
-						$this->msg(
-							'apierror-integeroutofrange-abovebotmax',
-							'pagerestrictions',
-							10,
-							$count
-						)
-					);
-				}
-			}
-
 			if ( $params['partial'] ) {
 				$editingRestriction = 'partial';
 			}
@@ -207,6 +193,8 @@ class ApiBlock extends ApiBase {
 			$params['partial'] = false;
 			$params['pagerestrictions'] = [
 				ApiBase::PARAM_ISMULTI => true,
+				ApiBase::PARAM_ISMULTI_LIMIT1 => 10,
+				ApiBase::PARAM_ISMULTI_LIMIT2 => 10,
 			];
 		}
 
diff --git a/tests/phpunit/includes/api/ApiBlockTest.php b/tests/phpunit/includes/api/ApiBlockTest.php
index 9898e535e0a..e229f0c1068 100644
--- a/tests/phpunit/includes/api/ApiBlockTest.php
+++ b/tests/phpunit/includes/api/ApiBlockTest.php
@@ -274,7 +274,8 @@ class ApiBlockTest extends ApiTestCase {
 
 	/**
 	 * @expectedException ApiUsageException
-	 * @expectedExceptionMessage "pagerestrictions" may not be over 10 (set to 11) for bots or sysops.
+	 * @expectedExceptionMessage Too many values supplied for parameter "pagerestrictions". The
+	 * limit is 10.
 	 */
 	public function testBlockingToManyRestrictions() {
 		$this->setMwGlobals( [