diff --git a/ncdump/tst_netcdf4.sh b/ncdump/tst_netcdf4.sh
index d228f2455..da975d54e 100755
--- a/ncdump/tst_netcdf4.sh
+++ b/ncdump/tst_netcdf4.sh
@@ -7,7 +7,7 @@ if test "x$srcdir" = x ; then srcdir=`pwd`; fi
 
 set -e
 
-function ERR {
+ERR {
     RES=$?
     if [ $RES -ne 0 ]; then
         echo "Error found: $RES"