Index: /trunk/src/VBox/Installer/solaris/vboxconfig.sh
===================================================================
--- /trunk/src/VBox/Installer/solaris/vboxconfig.sh	(revision 37791)
+++ /trunk/src/VBox/Installer/solaris/vboxconfig.sh	(revision 37792)
@@ -859,5 +859,5 @@
                             # Check after removing our settings if /etc/netmasks is identifcal to /etc/inet/netmasks 
                             anydiff=`diff $nmaskbackupfile "$PKG_INSTALL_ROOT/etc/inet/netmasks"`
-                            if test ! -z $anydiff; then
+                            if test ! -z "$anydiff"; then
                                 # User may have some custom settings in /etc/netmasks, don't overwrite /etc/netmasks!
                                 recreatelink=2
