diff --git a/dev-util/scons/scons-1.0.1-python2.5.bep b/dev-util/scons/scons-1.0.1-python2.5.bep
index 614e99366..d3ac1ef58 100644
--- a/dev-util/scons/scons-1.0.1-python2.5.bep
+++ b/dev-util/scons/scons-1.0.1-python2.5.bep
@@ -14,7 +14,7 @@ BUILD {
 
 INSTALL {
 	cd scons-1.0.1
-	if [ -n ${DESTDIR} ];then
+	if [ ! -z ${DESTDIR} ];then
 		python2.5 setup.py install --root="${DESTDIR}" --prefix="/boot/common" --symlink-scons --standard-lib
 	else
 		python2.5 setup.py install --prefix="/boot/common" --symlink-scons --standard-lib
diff --git a/dev-util/scons/scons-1.0.1.bep b/dev-util/scons/scons-1.0.1.bep
index bd5590e6b..0f6a8b19c 100644
--- a/dev-util/scons/scons-1.0.1.bep
+++ b/dev-util/scons/scons-1.0.1.bep
@@ -14,8 +14,8 @@ BUILD {
 
 INSTALL {
 	cd scons-1.0.1
-	if [ -n ${DESTDIR} ];then
-		python setup.py install --root="${DESTDIR}" --prefix="/boot/common" --symlink-scons --standard-lib
+	if [ ! -z ${DESTDIR} ];then
+		python setup.py install --root=${DESTDIR} --prefix="/boot/common" --symlink-scons --standard-lib
 	else
 		python setup.py install --prefix="/boot/common" --symlink-scons --standard-lib
 	fi