diff --git a/ovgenpy/renderer.py b/ovgenpy/renderer.py
index 25476ab..86f01d0 100644
--- a/ovgenpy/renderer.py
+++ b/ovgenpy/renderer.py
@@ -1,7 +1,10 @@
 from typing import Optional, List, Tuple, TYPE_CHECKING
 
+import matplotlib
 import numpy as np
 from dataclasses import dataclass
+
+matplotlib.use('agg')
 from matplotlib import pyplot as plt
 from matplotlib.backends.backend_agg import FigureCanvasAgg