diff --git a/rules/Php55/Rector/String_/StringClassNameToClassConstantRector.php b/rules/Php55/Rector/String_/StringClassNameToClassConstantRector.php
index f76efdcafab..42a07bb0817 100644
--- a/rules/Php55/Rector/String_/StringClassNameToClassConstantRector.php
+++ b/rules/Php55/Rector/String_/StringClassNameToClassConstantRector.php
@@ -176,6 +176,10 @@ private function shouldSkip(string $classLikeName): bool
         }
 
         foreach ($this->classesToSkip as $classToSkip) {
+            if ($this->nodeNameResolver->isStringName($classLikeName, $classToSkip)) {
+                return true;
+            }
+
             if ($this->nodeNameResolver->matchesStringName($classLikeName, $classToSkip)) {
                 return true;
             }
diff --git a/rules/Transform/Rector/Class_/AddAllowDynamicPropertiesAttributeRector.php b/rules/Transform/Rector/Class_/AddAllowDynamicPropertiesAttributeRector.php
index 01266677bf8..a1659322953 100644
--- a/rules/Transform/Rector/Class_/AddAllowDynamicPropertiesAttributeRector.php
+++ b/rules/Transform/Rector/Class_/AddAllowDynamicPropertiesAttributeRector.php
@@ -142,6 +142,10 @@ private function shouldSkip(Class_ $class): bool
         if ($this->transformOnNamespaces !== []) {
             $className = (string) $this->nodeNameResolver->getName($class);
             foreach ($this->transformOnNamespaces as $transformOnNamespace) {
+                if ($this->nodeNameResolver->isStringName($className, $transformOnNamespace)) {
+                    continue;
+                }
+                
                 if (! $this->nodeNameResolver->matchesStringName($className, $transformOnNamespace)) {
                     return true;
                 }