diff --git a/lib/buildit b/lib/buildit
index 43341f9..19d1959 100755
--- a/lib/buildit
+++ b/lib/buildit
@@ -12,7 +12,7 @@
 	exit 1
 fi
 
-if [ -z $CXX ]
+if [ -z "$CXX" ]
 then
 	CXX=g++
 fi