diff --git a/src/tools-source/install_wrapper.sh b/src/tools-source/install_wrapper.sh
index 6db5db6..402c59c 100644
--- a/src/tools-source/install_wrapper.sh
+++ b/src/tools-source/install_wrapper.sh
@@ -1,13 +1,13 @@
 #!/bin/bash
 # --- SDE-COPYRIGHT-NOTE-BEGIN ---
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
-# 
+#
 # Filename: src/tools-source/install_wrapper.sh
-# Copyright (C) 2008 The OpenSDE Project
+# Copyright (C) 2008 - 2010 The OpenSDE Project
 # Copyright (C) 2004 - 2006 The T2 SDE Project
-# 
+#
 # More information can be found in the files COPYING and README.
-# 
+#
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation; version 2 of the License. A copy of the
@@ -45,9 +45,9 @@ echo "$PWD:"					>> $logfile
 echo "* ${INSTALL_WRAPPER_FILTER:-No Filter.}"	>> $logfile
 echo "- $command $*"				>> $logfile
 
-if [ "${*/--target-directory//}" != "$*" ]; then
+if [ -z "$INSTALL_WRAPPER_FILTER" ]; then
 	echo "= $command $*" >> $logfile
-	$command "$@"; exit $?
+	exec $command "$@"
 fi
 
 while [ $# -gt 0 ]; do