diff --git a/src/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff.php b/src/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff.php
index 2ce6d36..ffcf0ad 100644
--- a/src/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff.php
+++ b/src/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff.php
@@ -72,11 +72,19 @@ class Typo3Update_Sniffs_Classname_InheritanceSniff extends AbstractClassnameChe
             return;
         }
 
+        $lastPosition = $phpcsFile->findNext(T_OPEN_CURLY_BRACKET, $stackPtr);
+
         foreach ($interfaces as $interface) {
-            $position = $phpcsFile->findNext(T_STRING, $stackPtr, null, false, $interface);
-            if ($position === false) {
-                continue;
-            }
+            $interface = trim($interface, '\\');
+            $position = $stackPtr;
+
+            do {
+                try {
+                    list($position, $classname) = $this->getAfter($phpcsFile, $position + 1);
+                } catch (\UnexpectedValueException $e) {
+                    continue 2;
+                }
+            } while ($classname !== $interface && $position <= $lastPosition);
 
             $this->processFeatures($phpcsFile, $position, $interface);
         }
diff --git a/tests/Fixtures/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff/Expected.json b/tests/Fixtures/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff/Expected.json
index e441162..a4d63d5 100644
--- a/tests/Fixtures/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff/Expected.json
+++ b/tests/Fixtures/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff/Expected.json
@@ -56,14 +56,41 @@
                     "severity": 5,
                     "source": "Typo3Update.Classname.Inheritance.legacyClassname",
                     "type": "ERROR"
+                },
+                {
+                    "column": 35,
+                    "fixable": false,
+                    "line": 34,
+                    "message": "Calls to removed code are not allowed; found perm. Removed in 7.0. The logic is moved into EXT:beuser. See: https://docs.typo3.org/typo3cms/extensions/core/7.6/Changelog/7.0/Breaking-62339-MoveExtPermIntoExtBeuser.html",
+                    "severity": 5,
+                    "source": "Typo3Update.Classname.Inheritance.RemovedExtension.perm",
+                    "type": "WARNING"
+                },
+                {
+                    "column": 6,
+                    "fixable": false,
+                    "line": 35,
+                    "message": "Calls to removed code are not allowed; found perm. Removed in 7.0. The logic is moved into EXT:beuser. See: https://docs.typo3.org/typo3cms/extensions/core/7.6/Changelog/7.0/Breaking-62339-MoveExtPermIntoExtBeuser.html",
+                    "severity": 5,
+                    "source": "Typo3Update.Classname.Inheritance.RemovedExtension.perm",
+                    "type": "WARNING"
+                },
+                {
+                    "column": 5,
+                    "fixable": false,
+                    "line": 36,
+                    "message": "Calls to removed code are not allowed; found perm. Removed in 7.0. The logic is moved into EXT:beuser. See: https://docs.typo3.org/typo3cms/extensions/core/7.6/Changelog/7.0/Breaking-62339-MoveExtPermIntoExtBeuser.html",
+                    "severity": 5,
+                    "source": "Typo3Update.Classname.Inheritance.RemovedExtension.perm",
+                    "type": "WARNING"
                 }
             ],
-            "warnings": 0
+            "warnings": 3
         }
     },
     "totals": {
         "errors": 6,
         "fixable": 6,
-        "warnings": 0
+        "warnings": 3
     }
 }
diff --git a/tests/Fixtures/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff/InputFileForIssues.php b/tests/Fixtures/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff/InputFileForIssues.php
index ee8fd0f..4eeafb3 100644
--- a/tests/Fixtures/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff/InputFileForIssues.php
+++ b/tests/Fixtures/Standards/Typo3Update/Sniffs/Classname/InheritanceSniff/InputFileForIssues.php
@@ -30,3 +30,10 @@ class InputFileForIssues extends Tx_Extbase_Configuration_Configurationmanager i
 {
 
 }
+
+class InputFileForIssues extends \TYPO3\CMS\Perm\Controller\PermissionAjaxController implements
+    \TYPO3\CMS\Perm\Controller\PermissionAjaxController,
+    TYPO3\CMS\Perm\Controller\PermissionModuleController
+{
+
+}