diff --git a/greenhouseui/app.py b/greenhouseui/app.py
index 3a763d2..099d020 100644
--- a/greenhouseui/app.py
+++ b/greenhouseui/app.py
@@ -64,6 +64,8 @@ def draw_temperature_image():
     color = "#b6b6b6"
 
     fig, ax = plt.subplots(1)
+    fig.set_figwidth(4)
+    fig.set_figheight(2)
     fig.set_facecolor(background_color)
 
     ax.set_facecolor(background_color)