diff --git a/wrap/Argument.cpp b/wrap/Argument.cpp
index ff42b33b1..ffac23a9d 100644
--- a/wrap/Argument.cpp
+++ b/wrap/Argument.cpp
@@ -30,7 +30,7 @@ string Argument::matlabClass(const string& delim) const {
 	string result;
 	BOOST_FOREACH(const string& ns, namespaces)
 	result += ns + delim;
-	if (type=="string")
+	if (type=="string" || type=="unsigned char")
 		return result + "char";
 	if (type=="bool" || type=="int" || type=="size_t" || type=="Vector" || type=="Matrix")
 		return result + "double";