diff --git a/debian/resources/fusionpbx.sh b/debian/resources/fusionpbx.sh
index 2edf18a..ef14f6a 100755
--- a/debian/resources/fusionpbx.sh
+++ b/debian/resources/fusionpbx.sh
@@ -13,7 +13,7 @@ verbose "Installing FusionPBX"
 apt-get install -y --force-yes vim git dbus haveged ssl-cert
 apt-get install -y --force-yes ghostscript libtiff5-dev libtiff-tools
 
-if [ $USE_SYSTEM_MASTER == true ]; then
+if [ $USE_SYSTEM_MASTER = true ]; then
 	verbose "Using master"
 	BRANCH=""
 else