diff --git a/src/Parsoid/References.php b/src/Parsoid/References.php
index abe4018c7..646070a1c 100644
--- a/src/Parsoid/References.php
+++ b/src/Parsoid/References.php
@@ -140,7 +140,7 @@ class References extends ExtensionTagHandler {
 			$refsData->inReferencesContent() &&
 			$groupName !== $refsData->referencesGroup
 		) {
-			$errs[] = [ 'key' => 'cite_error_references_group_mismatch',
+			$errs[] = (object)[ 'key' => 'cite_error_references_group_mismatch',
 				'params' => [ $refDmw->attrs->group ] ];
 		}
 
@@ -179,7 +179,7 @@ class References extends ExtensionTagHandler {
 		if ( $hasRefName ) {
 			if ( $hasFollow ) {
 				// Presumably, "name" has higher precedence
-				$errs[] = [ 'key' => 'cite_error_ref_follow_conflicts' ];
+				$errs[] = (object)[ 'key' => 'cite_error_ref_follow_conflicts' ];
 			}
 			if ( isset( $group->indexByName[$refName] ) ) {
 				$ref = $group->indexByName[$refName];
@@ -201,7 +201,7 @@ class References extends ExtensionTagHandler {
 				}
 			} else {
 				if ( $refsData->inReferencesContent() ) {
-					$errs[] = [
+					$errs[] = (object)[
 						'key' => 'cite_error_references_missing_key',
 						'params' => [ $refDmw->attrs->name ]
 					];
@@ -220,11 +220,11 @@ class References extends ExtensionTagHandler {
 					// section and it's the $followName we care about, but the
 					// extension to the legacy parser doesn't have an
 					// equivalent key and just outputs something wacky.
-					$errs[] = [ 'key' => 'cite_error_references_missing_key',
+					$errs[] = (object)[ 'key' => 'cite_error_references_missing_key',
 						'params' => [ $refDmw->attrs->follow ] ];
 				}
 			} elseif ( $refsData->inReferencesContent() ) {
-				$errs[] = [ 'key' => 'cite_error_references_no_key' ];
+				$errs[] = (object)[ 'key' => 'cite_error_references_no_key' ];
 			}
 		}
 
@@ -283,9 +283,9 @@ class References extends ExtensionTagHandler {
 
 		if ( isset( $refDmw->attrs->dir ) ) {
 			if ( $refDir !== 'rtl' && $refDir !== 'ltr' ) {
-				$errs[] = [ 'key' => 'cite_error_ref_invalid_dir', 'params' => [ $refDir ] ];
+				$errs[] = (object)[ 'key' => 'cite_error_ref_invalid_dir', 'params' => [ $refDir ] ];
 			} elseif ( $ref->dir !== '' && $ref->dir !== $refDir ) {
-				$errs[] = [ 'key' => 'cite_error_ref_conflicting_dir', 'params' => [ $ref->name ] ];
+				$errs[] = (object)[ 'key' => 'cite_error_ref_conflicting_dir', 'params' => [ $ref->name ] ];
 			}
 		}
 
@@ -293,7 +293,7 @@ class References extends ExtensionTagHandler {
 		// supports numerals as a name without it being an actual error, but core Cite does not.
 		// Follow refs do not duplicate the error which can be correlated with the original ref.
 		if ( ctype_digit( $refName ) ) {
-			$errs[] = [ 'key' => 'cite_error_ref_numeric_key' ];
+			$errs[] = (object)[ 'key' => 'cite_error_ref_numeric_key' ];
 		}
 
 		// Check for missing content, added ?? '' to fix T259676 crasher
@@ -307,13 +307,13 @@ class References extends ExtensionTagHandler {
 			// is an error.  It's possible that no name is present (!hasRefName), which also
 			// gets the error "cite_error_references_no_key" above, so protect against that.
 			if ( $refsData->inReferencesContent() ) {
-				$errs[] = [ 'key' => 'cite_error_empty_references_define',
+				$errs[] = (object)[ 'key' => 'cite_error_empty_references_define',
 					'params' => [ $refDmw->attrs->name ?? '', $refDmw->attrs->group ?? '' ] ];
 			} elseif ( !$hasRefName ) {
 				if ( !empty( $cDp->selfClose ) ) {
-					$errs[] = [ 'key' => 'cite_error_ref_no_key' ];
+					$errs[] = (object)[ 'key' => 'cite_error_ref_no_key' ];
 				} else {
-					$errs[] = [ 'key' => 'cite_error_ref_no_input' ];
+					$errs[] = (object)[ 'key' => 'cite_error_ref_no_input' ];
 				}
 			}
 
@@ -334,7 +334,7 @@ class References extends ExtensionTagHandler {
 			if ( $contentDiffers ) {
 				// TODO: Since this error is being placed on the ref, the
 				// key should arguably be "cite_error_ref_duplicate_key"
-				$errs[] = [
+				$errs[] = (object)[
 					'key' => 'cite_error_references_duplicate_key',
 					'params' => [ $refDmw->attrs->name ]
 				];
@@ -482,14 +482,14 @@ class References extends ExtensionTagHandler {
 				$errs = [];
 				// Mark all refs that are part of a group that is autogenerated
 				if ( $autoGeneratedWithGroup ) {
-					$errs[] = [ 'key' => 'cite_error_group_refs_without_references',
+					$errs[] = (object)[ 'key' => 'cite_error_group_refs_without_references',
 						'params' => [ $group ] ];
 				}
 				// Mark all refs that are named without content
 				if ( ( $ref->name !== '' ) && $ref->contentId === null ) {
 					// TODO: Since this error is being placed on the ref,
 					// the key should arguably be "cite_error_ref_no_text"
-					$errs[] = [
+					$errs[] = (object)[
 						'key' => 'cite_error_references_no_text',
 						'params' => [ $ref->name ]
 					];
diff --git a/src/Parsoid/ReferencesData.php b/src/Parsoid/ReferencesData.php
index 75d178c11..4e999daf1 100644
--- a/src/Parsoid/ReferencesData.php
+++ b/src/Parsoid/ReferencesData.php
@@ -3,6 +3,7 @@ declare( strict_types = 1 );
 
 namespace Cite\Parsoid;
 
+use stdClass;
 use Wikimedia\Parsoid\Core\Sanitizer;
 use Wikimedia\Parsoid\Ext\ParsoidExtensionAPI;
 
@@ -14,7 +15,7 @@ class ReferencesData {
 	private int $index = 0;
 	/** @var array<string,RefGroup> indexed by group name */
 	private array $refGroups = [];
-	/** @var array<string,array[]> */
+	/** @var array<string,stdClass[]> */
 	public array $embeddedErrors = [];
 	/** @var string[] */
 	private array $inEmbeddedContent = [];