diff --git a/src/Symbol/NamespaceSymbol.php b/src/Symbol/NamespaceSymbol.php
index 6b3b27f..a438504 100644
--- a/src/Symbol/NamespaceSymbol.php
+++ b/src/Symbol/NamespaceSymbol.php
@@ -4,6 +4,8 @@
 
 namespace ComposerUnused\SymbolParser\Symbol;
 
+use function rtrim;
+
 final class NamespaceSymbol implements SymbolInterface
 {
     /** @var string */
@@ -11,7 +13,7 @@ final class NamespaceSymbol implements SymbolInterface
 
     public function __construct(string $namespace)
     {
-        $this->namespace = $namespace;
+        $this->namespace = rtrim($namespace, '\\') . '\\';
     }
 
     public static function fromClass(string $class): self
@@ -26,6 +28,6 @@ public function getIdentifier(): string
 
     public function matches(SymbolInterface $symbol): bool
     {
-        return strpos($symbol->getIdentifier(), $this->namespace) === 0;
+        return strpos(rtrim($symbol->getIdentifier(), '\\') . '\\', $this->namespace) === 0;
     }
 }
diff --git a/tests/Unit/Symbol/NamespaceSymbolTest.php b/tests/Unit/Symbol/NamespaceSymbolTest.php
index eed3c44..57ac073 100644
--- a/tests/Unit/Symbol/NamespaceSymbolTest.php
+++ b/tests/Unit/Symbol/NamespaceSymbolTest.php
@@ -32,4 +32,15 @@ public function itShouldMatchNameSpaceFromClass(): void
 
         self::assertTrue($namespaceSymbol->matches($namespaceSymbolFromClass));
     }
+
+    /**
+     * @test
+     */
+    public function itShouldMatchShortNamespaces(): void
+    {
+        $namespaceSymbol = new NamespaceSymbol('Foo\\Baz\\');
+        $symbol = new Symbol('Foo\\Baz');
+
+        self::assertTrue($namespaceSymbol->matches($symbol));
+    }
 }