diff --git a/openlp/core/lib/htmlbuilder.py b/openlp/core/lib/htmlbuilder.py
index 21f2a81e6..6f56cf8b2 100644
--- a/openlp/core/lib/htmlbuilder.py
+++ b/openlp/core/lib/htmlbuilder.py
@@ -34,8 +34,8 @@ from openlp.core.lib.theme import BackgroundType, BackgroundGradientType, \
 
 log = logging.getLogger(__name__)
 
+# FIXME: Add html5 doctype. However, do not break theme gradients.
 HTMLSRC = u"""
-<!DOCTYPE html>
 <html>
 <head>
 <title>OpenLP Display</title>
