diff --git a/scripts/build.sh b/scripts/build.sh
index e4164db4f..122abd40e 100755
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -140,9 +140,9 @@ fi
 mkdir -p build
 cd build
 if [ $PLATFORM = Darwin ] ; then
-	if [ -d "~/Qt/5.5" ] ; then
+	if [ -d "$HOME/Qt/5.5" ] ; then
 		export CMAKE_PREFIX_PATH=~/Qt/5.5/clang_64/lib/cmake
-	elif [ -d "~/Qt/5.6" ] ; then
+	elif [ -d "$HOME/Qt/5.6" ] ; then
 		export CMAKE_PREFIX_PATH=~/Qt/5.6/clang_64/lib/cmake
 	else
 		echo "cannot find Qt 5.5 or 5.6 in ~/Qt"