diff --git a/src/Query/Parser.php b/src/Query/Parser.php
index e666d1b..ca1f330 100644
--- a/src/Query/Parser.php
+++ b/src/Query/Parser.php
@@ -19,6 +19,7 @@ use ReflectionClass;
 
 use function array_intersect;
 use function array_key_exists;
+use function array_keys;
 use function array_search;
 use function assert;
 use function class_exists;
@@ -167,7 +168,13 @@ final class Parser
      */
     private $customOutputWalker;
 
-    /** @phpstan-var array<string, AST\SelectExpression> */
+    /**
+     * All select expressions that refer to an identification variable, grouped
+     * by that variable. An alias may be listed more than once in the select
+     * clause, so every occurrence has to be tracked, not just the last one.
+     *
+     * @phpstan-var array<string, non-empty-list<AST\SelectExpression>>
+     */
     private array $identVariableExpressions = [];
 
     /**
@@ -405,12 +412,13 @@ final class Parser
                 continue;
             }
 
-            $expr = $this->identVariableExpressions[$dqlAlias];
-            $key  = array_search($expr, $AST->selectClause->selectExpressions, true);
+            foreach ($this->identVariableExpressions[$dqlAlias] as $expr) {
+                $key = array_search($expr, $AST->selectClause->selectExpressions, true);
 
-            unset($AST->selectClause->selectExpressions[$key]);
+                unset($AST->selectClause->selectExpressions[$key]);
 
-            $AST->selectClause->selectExpressions[] = $expr;
+                $AST->selectClause->selectExpressions[] = $expr;
+            }
         }
     }
 
@@ -796,7 +804,7 @@ final class Parser
             return;
         }
 
-        foreach ($this->identVariableExpressions as $dqlAlias => $expr) {
+        foreach (array_keys($this->identVariableExpressions) as $dqlAlias) {
             if (isset($this->queryComponents[$dqlAlias]) && ! isset($this->queryComponents[$dqlAlias]['parent'])) {
                 return;
             }
@@ -2290,7 +2298,7 @@ final class Parser
         $expr = new AST\SelectExpression($expression, $aliasResultVariable, $hiddenAliasResultVariable);
 
         if ($identVariable) {
-            $this->identVariableExpressions[$identVariable] = $expr;
+            $this->identVariableExpressions[$identVariable][] = $expr;
         }
 
         return $expr;
diff --git a/tests/Tests/ORM/Query/SelectSqlGenerationTest.php b/tests/Tests/ORM/Query/SelectSqlGenerationTest.php
index 0678fc5..c379d3d 100644
--- a/tests/Tests/ORM/Query/SelectSqlGenerationTest.php
+++ b/tests/Tests/ORM/Query/SelectSqlGenerationTest.php
@@ -222,6 +222,27 @@ class SelectSqlGenerationTest extends OrmTestCase
         );
     }
 
+    #[Group('GH12585')]
+    public function testRepeatedIdentificationVariableKeepsSelectClauseInDeclarationOrder(): void
+    {
+        // The repeated collection alias must not be hoisted in front of its own parent,
+        // otherwise the hydrator sees the child before the parent and stops fetch joining.
+        $this->assertSqlGeneration(
+            'SELECT u, p, p FROM Doctrine\Tests\Models\CMS\CmsUser u JOIN u.phonenumbers p',
+            'SELECT c0_.id AS id_0, c0_.status AS status_1, c0_.username AS username_2, c0_.name AS name_3, c1_.phonenumber AS phonenumber_4, c1_.phonenumber AS phonenumber_5, c0_.email_id AS email_id_6, c1_.user_id AS user_id_7 FROM cms_users c0_ INNER JOIN cms_phonenumbers c1_ ON c0_.id = c1_.user_id',
+        );
+
+        $this->assertSqlGeneration(
+            'SELECT u, p, u FROM Doctrine\Tests\Models\CMS\CmsUser u JOIN u.phonenumbers p',
+            'SELECT c0_.id AS id_0, c0_.status AS status_1, c0_.username AS username_2, c0_.name AS name_3, c0_.id AS id_4, c0_.status AS status_5, c0_.username AS username_6, c0_.name AS name_7, c1_.phonenumber AS phonenumber_8, c0_.email_id AS email_id_9, c1_.user_id AS user_id_10 FROM cms_users c0_ INNER JOIN cms_phonenumbers c1_ ON c0_.id = c1_.user_id',
+        );
+
+        $this->assertSqlGeneration(
+            'SELECT u, p, a, p FROM Doctrine\Tests\Models\CMS\CmsUser u JOIN u.phonenumbers p JOIN u.articles a',
+            'SELECT c0_.id AS id_0, c0_.status AS status_1, c0_.username AS username_2, c0_.name AS name_3, c1_.phonenumber AS phonenumber_4, c1_.phonenumber AS phonenumber_5, c2_.id AS id_6, c2_.topic AS topic_7, c2_.text AS text_8, c2_.version AS version_9, c0_.email_id AS email_id_10, c1_.user_id AS user_id_11, c2_.user_id AS user_id_12 FROM cms_users c0_ INNER JOIN cms_phonenumbers c1_ ON c0_.id = c1_.user_id INNER JOIN cms_articles c2_ ON c0_.id = c2_.user_id',
+        );
+    }
+
     public function testSupportsSelectWithSingleValuedAssociationJoin(): void
     {
         $this->assertSqlGeneration(