diff --git a/todonotes.dtx b/todonotes.dtx
index 5e6063b..acc983c 100755
--- a/todonotes.dtx
+++ b/todonotes.dtx
@@ -1135,7 +1135,7 @@
 \if@todonotes@disabled%
     \newcommand{\listoftodos}[1][]{}
     \newcommand{\todo}[2][]{\ignorespaces}
-    \newcommand{\missingfigure}[2]{}
+    \newcommand{\missingfigure}[2][]{}
 \else % \if@todonotes@disabled
 %    \end{macrocode}
 % Define the |\listoftodos| command and define the