diff --git a/templates/sphinx-conf.py b/templates/sphinx-conf.py
index 79c930a56bc5f975a2a1b35605bbc69233cb0222..ff69d7ec0a6bafcbd12b58c612854a2f28d3ddd2 100644
--- a/templates/sphinx-conf.py
+++ b/templates/sphinx-conf.py
@@ -30,6 +30,7 @@ extensions = [
 import sphinx
 if sphinx.__version__ >= "1.4.1":
     extensions.append('sphinx.ext.imgmath')
+    imgmath_image_format = 'svg'
 else:
     extensions.append('sphinx.ext.pngmath')