diff --git a/document-generator/latex/DOF-core.sty b/document-generator/latex/DOF-core.sty
index 4acd39cf..8d074446 100644
--- a/document-generator/latex/DOF-core.sty
+++ b/document-generator/latex/DOF-core.sty
@@ -17,6 +17,7 @@
   Document-Type Support Framework for Isabelle.]
 
 \RequirePackage{keycommand}
+\RequirePackage{graphicx}
 \RequirePackage{fp}
 
 \newkeycommand\isaDofChapter[label=,type=][1]{%