diff -up chemtool-1.6.13/configure.gmd chemtool-1.6.13/configure
--- chemtool-1.6.13/configure.gmd	2011-12-24 14:25:04.000000000 +0100
+++ chemtool-1.6.13/configure	2012-03-12 18:51:44.000000000 +0100
@@ -8342,7 +8342,7 @@ $as_echo "apparently in $GNOMEMIMEDIR" >
 	gnomemimedir=$GNOMEMIMEDIR
 	fi
 fi
-if test "x$GNOMEMIMEDIR" = "x" ; then
+if test "x$gnomemimedir" = "x" ; then
 	{ $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
 fi