diff --git a/american-association-of-petroleum-geologists.csl b/american-association-of-petroleum-geologists.csl
index 142ae826b0..a816140438 100644
--- a/american-association-of-petroleum-geologists.csl
+++ b/american-association-of-petroleum-geologists.csl
@@ -4,7 +4,7 @@
     <title>American Association of Petroleum Geologists</title>
     <id>http://www.zotero.org/styles/american-association-of-petroleum-geologists</id>
     <link href="http://www.zotero.org/styles/american-association-of-petroleum-geologists" rel="self"/>
-    <link href="http://eeg.allentrack.net/html/eeginstr.pdf" rel="documentation"/>
+    <link href="http://deg.aapg.org/Portals/0/documents/DEG_ALL.pdf" rel="documentation"/>
     <author>
       <name>Sebastian Karcher</name>
     </author>