diff --git a/src/View.php b/src/View.php
index d3843a3..91964dc 100644
--- a/src/View.php
+++ b/src/View.php
@@ -213,7 +213,7 @@ public static function renderComponent(Component $component): string
         }
 
         if ($level <> ob_get_level()) {
-            throw new Exception("output buffer nesting level mismatch. Expected: " . $level . ", got: " . ob_get_level());
+            throw new Exception("output buffer nesting level mismatch. Expected: {$level}, got: " . ob_get_level());
         }
 
         ob_end_clean();