1 files changed, 4 insertions, 4 deletions
diff --git a/build.sh b/build.sh
index 7052441..dcb6569 100644
--- a/build.sh
+++ b/build.sh
@@ -2,21 +2,21 @@
 
 set -e
 
-if [ -z ${SANDBOX_PATH} ]; then
+if [ -z "${SANDBOX_PATH}" ]; then
     echo "you must set SANDBOX_PATH to point to the built LibreVideoConverter sandbox"
     exit 1
 fi
 
-if [ -z ${BKIT_PATH} ]; then
+if [ -z "${BKIT_PATH}" ]; then
     echo "you must set BKIT_PATH to point to the LibreVideoConverter binary kit"
     exit
 fi
 
 export MACOSX_DEPLOYMENT_TARGET=10.6
 
-${SANDBOX_PATH}/Frameworks/Python.framework/Versions/2.7/bin/python setup.py develop
+"${SANDBOX_PATH}/Frameworks/Python.framework/Versions/2.7/bin/python" setup.py develop
 
-${SANDBOX_PATH}/Frameworks/Python.framework/Versions/2.7/bin/python setup.py py2app
+"${SANDBOX_PATH}/Frameworks/Python.framework/Versions/2.7/bin/python" setup.py py2app
 
 if [ "$1" = "--sign" ]; then
     source sign.sh