diff --git a/src/Analyzer/FileVisitor.php b/src/Analyzer/FileVisitor.php
index 7ffedda9..c627fea7 100644
--- a/src/Analyzer/FileVisitor.php
+++ b/src/Analyzer/FileVisitor.php
@@ -247,6 +247,10 @@ private function handleTypedProperty(Node $node): void
             return;
         }
 
+        if (FullyQualifiedClassName::isNotAValidFqcn($type->toString())) {
+            return;
+        }
+
         $this->classDescriptionBuilder
             ->addDependency(new ClassDependency($type->toString(), $node->getLine()));
     }
@@ -314,6 +318,10 @@ private function handleReturnTypeDependency(Node $node): void
             return;
         }
 
+        if (FullyQualifiedClassName::isNotAValidFqcn($returnType->toString())) {
+            return;
+        }
+
         $this->classDescriptionBuilder
             ->addDependency(new ClassDependency($returnType->toString(), $returnType->getLine()));
     }
@@ -330,6 +338,10 @@ private function handleAttributeNode(Node $node): void
             return;
         }
 
+        if (FullyQualifiedClassName::isNotAValidFqcn($nodeName->toString())) {
+            return;
+        }
+
         $this->classDescriptionBuilder
             ->addAttribute($node->name->toString(), $node->getLine());
     }
@@ -346,6 +358,10 @@ private function addParamDependency(Node\Param $node): void
             return;
         }
 
+        if (FullyQualifiedClassName::isNotAValidFqcn($type->toString())) {
+            return;
+        }
+
         $this->classDescriptionBuilder
             ->addDependency(new ClassDependency($type->toString(), $node->getLine()));
     }
diff --git a/src/Analyzer/FullyQualifiedClassName.php b/src/Analyzer/FullyQualifiedClassName.php
index 7fcf185b..ad7926ee 100644
--- a/src/Analyzer/FullyQualifiedClassName.php
+++ b/src/Analyzer/FullyQualifiedClassName.php
@@ -27,7 +27,7 @@ public function toString(): string
 
     public function classMatches(string $pattern): bool
     {
-        if ($this->isNotAValidPattern($pattern)) {
+        if (self::isNotAValidFqcn($pattern)) {
             throw new InvalidPatternException("'$pattern' is not a valid class or namespace pattern. Regex are not allowed, only * and ? wildcard.");
         }
 
@@ -36,7 +36,7 @@ public function classMatches(string $pattern): bool
 
     public function matches(string $pattern): bool
     {
-        if ($this->isNotAValidPattern($pattern)) {
+        if (self::isNotAValidFqcn($pattern)) {
             throw new InvalidPatternException("'$pattern' is not a valid class or namespace pattern. Regex are not allowed, only * and ? wildcard.");
         }
 
@@ -69,12 +69,12 @@ public static function fromString(string $fqcn): self
         return new self(new PatternString($fqcn), new PatternString($namespace), new PatternString($className));
     }
 
-    public function isNotAValidPattern(string $pattern): bool
+    public static function isNotAValidFqcn(string $fqcn): bool
     {
         $validClassNameCharacters = '[a-zA-Z0-9_\x80-\xff]';
         $or = '|';
         $backslash = '\\\\';
 
-        return 0 === preg_match('/^('.$validClassNameCharacters.$or.$backslash.$or.'\*'.$or.'\?)*$/', $pattern);
+        return 0 === preg_match('/^('.$validClassNameCharacters.$or.$backslash.$or.'\*'.$or.'\?)*$/', $fqcn);
     }
 }