diff --git a/wsgi.py b/wsgi.py
index b2c4dab..31f9295 100644
--- a/wsgi.py
+++ b/wsgi.py
@@ -277,6 +277,8 @@ def tables(
         annotate_current=annotate_current,
         landesbez_str=landesbez_strs,
     )
+    svg_string = convert_fig_to_svg(fig)
+    plt.close()
 
     _print_as_html(df_state)
     _print_as_html(df)
@@ -285,7 +287,7 @@ def tables(
         "base.html",
         tables="\n".join(output_str),
         timestamp=timestamp,
-        image=convert_fig_to_svg(fig),
+        image=svg_string,
     )