diff --git a/app/SvgUtils.py b/app/SvgUtils.py
index 9b00a58..8bee5f0 100644
--- a/app/SvgUtils.py
+++ b/app/SvgUtils.py
@@ -14,7 +14,7 @@
 
 # Process img tags, replacing base64 SVG images with PNGs
 def process_svg(html):
-    pattern = re.compile(r'<img(?P<intermediate>[^>]+?src=(?P<quote>[\'"]))(data:(?P<type>[^;>]*?);base64,\s?(?P<base64>[^">]*?)(?P=quote))')
+    pattern = re.compile(r'<img(?P<intermediate>[^>]+?src=(?P<quote>[\'"])data:)((?P<type>[^;>]*?);base64,\s?(?P<base64>.*?)(?P=quote))')
     return re.sub(pattern, replace_img_base64, html)