diff --git a/src/Rector/Architecture/PHPUnit/ArrayToYieldDataProviderRector.php b/src/Rector/Architecture/PHPUnit/ArrayToYieldDataProviderRector.php
index 85359f676b4..ad814785fc4 100644
--- a/src/Rector/Architecture/PHPUnit/ArrayToYieldDataProviderRector.php
+++ b/src/Rector/Architecture/PHPUnit/ArrayToYieldDataProviderRector.php
@@ -119,7 +119,11 @@ CODE_SAMPLE
 
     private function isInProvideMethod(ClassMethod $classMethodNode): bool
     {
-        return (bool) Strings::match($classMethodNode->name, '#^provide*#');
+        if (! $classMethodNode->isPublic()) {
+            return false;
+        }
+
+        return (bool) Strings::match($classMethodNode->name, '#^(provide|dataProvider)*#');
     }
 
     private function hasClassMethodReturnArrayOfArrays(ClassMethod $classMethodNode): bool
diff --git a/tests/Rector/Architecture/PHPUnit/Correct/correct3.php.inc b/tests/Rector/Architecture/PHPUnit/Correct/correct3.php.inc
index 9878b1e5561..e4f5d6b45e8 100644
--- a/tests/Rector/Architecture/PHPUnit/Correct/correct3.php.inc
+++ b/tests/Rector/Architecture/PHPUnit/Correct/correct3.php.inc
@@ -6,7 +6,7 @@ use PHPUnit\Framework\TestCase;
 
 final class MyTestCase extends TestCase
 {
-    public function provideWrongToFixedFiles(): \Iterator
+    public function dataProvider(): \Iterator
     {
         yield [__DIR__ . '/Wrong/wrong.php.inc', __DIR__ . '/Correct/correct.php.inc'];
     }
diff --git a/tests/Rector/Architecture/PHPUnit/Wrong/wrong3.php.inc b/tests/Rector/Architecture/PHPUnit/Wrong/wrong3.php.inc
index cd829d2d2bd..5513b256366 100644
--- a/tests/Rector/Architecture/PHPUnit/Wrong/wrong3.php.inc
+++ b/tests/Rector/Architecture/PHPUnit/Wrong/wrong3.php.inc
@@ -6,7 +6,7 @@ use PHPUnit\Framework\TestCase;
 
 final class MyTestCase extends TestCase
 {
-    public function provideWrongToFixedFiles(): array
+    public function dataProvider(): array
     {
         return [[__DIR__ . '/Wrong/wrong.php.inc', __DIR__ . '/Correct/correct.php.inc']];
     }