diff --git a/bin/roave-backward-compatibility-check.php b/bin/roave-backward-compatibility-check.php
index 44ef173f..ea5c2bda 100644
--- a/bin/roave-backward-compatibility-check.php
+++ b/bin/roave-backward-compatibility-check.php
@@ -206,7 +206,7 @@ static function (string $installationPath) use ($composerIo): Installer {
                                 )),
                             )),
                             new ClassBased\SkipClassBasedErrors(new ClassBased\PropertyChanged(
-                                new PropertyBased\SkipPropertyBasedErrors(new PropertyBased\OnlyPublicPropertyChanged(
+                                new PropertyBased\SkipPropertyBasedErrors(new PropertyBased\OnlyPublicPropertyChanged(new PropertyBased\ExcludeInternalProperty(
                                     new PropertyBased\MultipleChecksOnAProperty(
                                         new PropertyBased\SkipPropertyBasedErrors(new PropertyBased\PropertyBecameInternal()),
                                         new PropertyBased\SkipPropertyBasedErrors(new PropertyBased\PropertyTypeChanged(new TypeIsContravariant(), new TypeIsCovariant())),
@@ -214,7 +214,7 @@ static function (string $installationPath) use ($composerIo): Installer {
                                         new PropertyBased\SkipPropertyBasedErrors(new PropertyBased\PropertyVisibilityReduced()),
                                         new PropertyBased\SkipPropertyBasedErrors(new PropertyBased\PropertyScopeChanged()),
                                     ),
-                                )),
+                                ))),
                             )),
                             new ClassBased\SkipClassBasedErrors(new ClassBased\MethodChanged(
                                 new MethodBased\SkipMethodBasedErrors(new MethodBased\OnlyPublicMethodChanged(new MethodBased\ExcludeInternalMethod(
diff --git a/test/e2e/Command/AssertBackwardsCompatibleTest.php b/test/e2e/Command/AssertBackwardsCompatibleTest.php
index 371f649a..e818620e 100644
--- a/test/e2e/Command/AssertBackwardsCompatibleTest.php
+++ b/test/e2e/Command/AssertBackwardsCompatibleTest.php
@@ -54,6 +54,9 @@ final class TheClass
 {
     public const UNCHANGED_CONSTANT = __DIR__;
 
+    /** @internal */
+    public array $internalProperty = [];
+
     public function method(A $a)
     {
     }
@@ -74,6 +77,9 @@ final class TheClass
 {
     public const UNCHANGED_CONSTANT = __DIR__;
 
+    /** @internal */
+    public array $internalProperty = ['a'];
+
     public function method(B $a)
     {
     }
@@ -94,6 +100,9 @@ final class TheClass
 {
     public const UNCHANGED_CONSTANT = __DIR__;
 
+    /** @internal */
+    public array $internalProperty = ['b'];
+
     public function method(C $a)
     {
     }
@@ -101,7 +110,7 @@ public function method(C $a)
 
 PHP
 ,
-        // The last version resets the class to its initial state
+        // The last version resets the class to its initial state (except internal property)
         <<<'PHP'
 <?php
 
@@ -115,6 +124,9 @@ final class TheClass
 {
     public const UNCHANGED_CONSTANT = __DIR__;
 
+    /** @internal */
+    public array $internalProperty = ['c'];
+
     public function method(A $a)
     {
     }