diff --git a/cabal-install.sh b/cabal-install.sh
index a269929..c50579a 100644
--- a/cabal-install.sh
+++ b/cabal-install.sh
@@ -1,8 +1,8 @@
-CABALBIN=${HOME}/.cabal/bin
+CABALBIN="${HOME}/.cabal/bin"
 
 if ! echo "${PATH}" | /bin/grep -q "${CABALBIN}" ; then
     if [ -d "${CABALBIN}" ]; then
-	PATH=${PATH}:${CABALBIN}
+	PATH="${PATH}:${CABALBIN}"
     fi
 fi
 unset CABALBIN