diff --git a/rules-tests/CodeQuality/Rector/ClassMethod/OptionalParametersAfterRequiredRector/Fixture/skip_first_class_callable_in_unary.php.inc b/rules-tests/CodeQuality/Rector/ClassMethod/OptionalParametersAfterRequiredRector/Fixture/skip_first_class_callable_in_unary.php.inc
new file mode 100644
index 0000000000..b9fa95601a
--- /dev/null
+++ b/rules-tests/CodeQuality/Rector/ClassMethod/OptionalParametersAfterRequiredRector/Fixture/skip_first_class_callable_in_unary.php.inc
@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Rector\Tests\CodeQuality\Rector\ClassMethod\OptionalParametersAfterRequiredRector\Fixture;
+
+final class SkipFirstClassCallableInUnary
+{
+    public function getSubscribedEvents(string $nodePath)
+    {
+        return -$this->textElement(...);
+    }
+
+    public function textElement() { return 1; }
+}
diff --git a/src/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php b/src/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php
index 5cc35621d4..f602b47e3a 100644
--- a/src/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php
+++ b/src/NodeTypeResolver/PHPStan/Scope/PHPStanNodeScopeResolver.php
@@ -24,10 +24,16 @@
 use PhpParser\Node\Expr\MethodCall;
 use PhpParser\Node\Expr\New_;
 use PhpParser\Node\Expr\NullsafeMethodCall;
+use PhpParser\Node\Expr\PostDec;
+use PhpParser\Node\Expr\PostInc;
+use PhpParser\Node\Expr\PreDec;
+use PhpParser\Node\Expr\PreInc;
 use PhpParser\Node\Expr\PropertyFetch;
 use PhpParser\Node\Expr\StaticCall;
 use PhpParser\Node\Expr\StaticPropertyFetch;
 use PhpParser\Node\Expr\Ternary;
+use PhpParser\Node\Expr\UnaryMinus;
+use PhpParser\Node\Expr\UnaryPlus;
 use PhpParser\Node\Expr\Variable;
 use PhpParser\Node\Expr\Yield_;
 use PhpParser\Node\Expr\YieldFrom;
@@ -180,12 +186,18 @@ public function processNodes(
                 $node instanceof Return_ ||
                 $node instanceof EnumCase ||
                 $node instanceof Cast ||
-                $node instanceof YieldFrom
+                $node instanceof YieldFrom ||
+                $node instanceof UnaryMinus ||
+                $node instanceof UnaryPlus
             ) && $node->expr instanceof Expr) {
                 $node->expr->setAttribute(AttributeKey::SCOPE, $mutatingScope);
                 return;
             }
 
+            if ($node instanceof PostInc || $node instanceof PostDec || $node instanceof PreInc || $node instanceof PreDec) {
+                $node->var->setAttribute(AttributeKey::SCOPE, $mutatingScope);
+            }
+
             if ($node instanceof Assign || $node instanceof AssignOp) {
                 $this->processAssign($node, $mutatingScope);