diff --git a/src/Potter/Aware/AwareTrait.php b/src/Potter/Aware/AwareTrait.php
index b11ad50..28bad07 100644
--- a/src/Potter/Aware/AwareTrait.php
+++ b/src/Potter/Aware/AwareTrait.php
@@ -14,7 +14,10 @@ trait AwareTrait
     
     final public function get(string $key): mixed
     {
-        return $this->aware[$key];
+        if ($this->has($key)) {
+            return $this->aware[$key];
+        }
+        throw new NotFoundException;
     }
     
     final public function has(string $key): bool