diff --git a/m4/superlu.m4 b/m4/superlu.m4
index e7c81a171fddfb1a494545821525ef962828aa33..3863a43be74c35df13ea5ed05168397f0a1becd9 100644
--- a/m4/superlu.m4
+++ b/m4/superlu.m4
@@ -59,7 +59,7 @@ AC_DEFUN([DUNE_PATH_SUPERLU],[
 	    [dnl
 		if  test "$withval" != no ; then
 		    # get absolute path
-		    with_superlu=`eval cd $withval 2&>1 && pwd`
+		    with_superlu=`eval cd $withval 2>&1 && pwd`
 		    if test "$withval" = yes; then
 		        # Search in default locations
 			_slu_search_default