diff --git a/starbot/painter/LiveReportGenerator.py b/starbot/painter/LiveReportGenerator.py
index 0bfde3a..f785c71 100644
--- a/starbot/painter/LiveReportGenerator.py
+++ b/starbot/painter/LiveReportGenerator.py
@@ -629,6 +629,7 @@ class LiveReportGenerator:
 
         buf = io.BytesIO()
         fig.savefig(buf)
+        plt.close(fig)
         buf.seek(0)
         return Image.open(buf)