diff --git a/consensus-whitepaper.html b/consensus-whitepaper.html
index 281ea0ffba..3d8413b7c9 100644
--- a/consensus-whitepaper.html
+++ b/consensus-whitepaper.html
@@ -123,7 +123,7 @@ mixpanel.init("132d42885e094171f34467fc54da6fab");
 	
 		<p class="download_consensus"><a href="https://ripple.com/files/ripple_consensus_whitepaper.pdf"><i class="fa fa-download"></i>&nbsp;Download the Consensus Whitepaper</a></p>
 		
-		<iframe src="http://docs.google.com/viewer?url=https%3A%2F%2Fripple.com%2Ffiles%2Fripple_consensus_whitepaper.pdf&embedded=true" width="100%" height="1100" style="border: none;"></iframe>
+		<iframe src="https://docs.google.com/viewer?url=https%3A%2F%2Fripple.com%2Ffiles%2Fripple_consensus_whitepaper.pdf&embedded=true" width="100%" height="1100" style="border: none;"></iframe>
 	</div>
   </div>
 <div class="footer">