diff --git a/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddParamArrayDocblockFromDimFetchAccessRector/Fixture/override_dummy_array_param.php.inc b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddParamArrayDocblockFromDimFetchAccessRector/Fixture/override_dummy_array_param.php.inc
new file mode 100644
index 00000000000..c8d115ce3e4
--- /dev/null
+++ b/rules-tests/TypeDeclarationDocblocks/Rector/ClassMethod/AddParamArrayDocblockFromDimFetchAccessRector/Fixture/override_dummy_array_param.php.inc
@@ -0,0 +1,37 @@
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddParamArrayDocblockFromDimFetchAccessRector\Fixture;
+
+final class OverrideDummyArrayParam
+{
+    /**
+     * @param array $data
+     */
+    public function process(array $data): void
+    {
+        $item = $data['key'];
+
+        $anotherItem = $data['another_key'];
+    }
+}
+
+?>
+-----
+<?php
+
+namespace Rector\Tests\TypeDeclarationDocblocks\Rector\ClassMethod\AddParamArrayDocblockFromDimFetchAccessRector\Fixture;
+
+final class OverrideDummyArrayParam
+{
+    /**
+     * @param array<string, mixed> $data
+     */
+    public function process(array $data): void
+    {
+        $item = $data['key'];
+
+        $anotherItem = $data['another_key'];
+    }
+}
+
+?>
diff --git a/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddParamArrayDocblockFromDimFetchAccessRector.php b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddParamArrayDocblockFromDimFetchAccessRector.php
index 3ad2384872f..d9d073ccd9e 100644
--- a/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddParamArrayDocblockFromDimFetchAccessRector.php
+++ b/rules/TypeDeclarationDocblocks/Rector/ClassMethod/AddParamArrayDocblockFromDimFetchAccessRector.php
@@ -12,10 +12,12 @@
 use PHPStan\PhpDocParser\Ast\Type\GenericTypeNode;
 use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
 use PHPStan\Type\Type;
+use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfo;
 use Rector\BetterPhpDocParser\PhpDocInfo\PhpDocInfoFactory;
 use Rector\Comments\NodeDocBlock\DocBlockUpdater;
 use Rector\Rector\AbstractRector;
 use Rector\TypeDeclarationDocblocks\NodeFinder\ArrayDimFetchFinder;
+use Rector\TypeDeclarationDocblocks\TagNodeAnalyzer\UsefulArrayTagNodeAnalyzer;
 use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
 use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
 
@@ -27,7 +29,8 @@ final class AddParamArrayDocblockFromDimFetchAccessRector extends AbstractRector
     public function __construct(
         private readonly PhpDocInfoFactory $phpDocInfoFactory,
         private readonly ArrayDimFetchFinder $arrayDimFetchFinder,
-        private readonly DocBlockUpdater $docBlockUpdater
+        private readonly DocBlockUpdater $docBlockUpdater,
+        private readonly UsefulArrayTagNodeAnalyzer $usefulArrayTagNodeAnalyzer
     ) {
     }
 
@@ -105,7 +108,7 @@ public function refactor(Node $node): ?Node
             $paramTagValueNode = $phpDocInfo->getParamTagValueByName($paramName);
 
             // already defined, lets skip it
-            if ($paramTagValueNode instanceof ParamTagValueNode) {
+            if ($this->usefulArrayTagNodeAnalyzer->isUsefulArrayTag($paramTagValueNode)) {
                 continue;
             }
 
@@ -130,15 +133,13 @@ public function refactor(Node $node): ?Node
             }
 
             if ($this->isOnlyStringType($keyTypes)) {
-                $paramTagValueNode = $this->createParamTagValueNode($paramName, 'string');
-                $phpDocInfo->addTagValueNode($paramTagValueNode);
+                $this->createParamTagValueNode($phpDocInfo, $paramName, 'string', $paramTagValueNode);
                 $hasChanged = true;
                 continue;
             }
 
             if ($this->isOnlyIntegerType($keyTypes)) {
-                $paramTagValueNode = $this->createParamTagValueNode($paramName, 'int');
-                $phpDocInfo->addTagValueNode($paramTagValueNode);
+                $this->createParamTagValueNode($phpDocInfo, $paramName, 'int', $paramTagValueNode);
                 $hasChanged = true;
                 continue;
             }
@@ -186,13 +187,22 @@ private function isOnlyIntegerType(array $keyTypes): bool
         return true;
     }
 
-    private function createParamTagValueNode(string $paramName, string $keyTypeValue): ParamTagValueNode
-    {
+    private function createParamTagValueNode(
+        PhpDocInfo $phpDocInfo,
+        string $paramName,
+        string $keyTypeValue,
+        ?ParamTagValueNode $paramTagValueNode
+    ): void {
         $arrayGenericTypeNode = new GenericTypeNode(new IdentifierTypeNode('array'), [
             new IdentifierTypeNode($keyTypeValue),
             new IdentifierTypeNode('mixed'),
         ]);
 
-        return new ParamTagValueNode($arrayGenericTypeNode, false, '$' . $paramName, '', false);
+        if ($paramTagValueNode instanceof ParamTagValueNode) {
+            $paramTagValueNode->type = $arrayGenericTypeNode;
+        } else {
+            $paramTagValueNode = new ParamTagValueNode($arrayGenericTypeNode, false, '$' . $paramName, '', false);
+            $phpDocInfo->addTagValueNode($paramTagValueNode);
+        }
     }
 }