diff --git a/src/BenchmarkManager.py b/src/BenchmarkManager.py
index 69f4fee8..f861e2c1 100644
--- a/src/BenchmarkManager.py
+++ b/src/BenchmarkManager.py
@@ -356,4 +356,4 @@ def default(self, o: any):
             return float(o)
         if isinstance(o, np.ndarray):
             return o.tolist()
-        return super(NumpyEncoder).default(o)
+        return super().default(o)