diff --git a/system-dependencies.sh b/system-dependencies.sh
index d2d21d892a..f4e3536d65 100755
--- a/system-dependencies.sh
+++ b/system-dependencies.sh
@@ -327,7 +327,7 @@ function install_specific_xcode () {
 	# To test this script with new Xcode versions, copy the downloaded file to $XCODE_DMG,
 	# uncomment the following curl line, and run ./system-dependencies.sh --provision-xcode
 	if test -f "$HOME/Downloads/$XCODE_NAME"; then
-		log "Found Xcode $XCODE_VERSION in your ~/Downloads folder, copying that version instead."
+		log "Found $XCODE_NAME in your ~/Downloads folder, copying that version to $XCODE_DMG instead of re-downloading it."
 		cp "$HOME/Downloads/$XCODE_NAME" "$XCODE_DMG"
 	else
 		curl -L $XCODE_URL > $XCODE_DMG
@@ -351,7 +351,7 @@ function install_specific_xcode () {
 		rm -Rf *.app
 		rm -Rf $XCODE_ROOT
 		# extract
-		/System/Library/CoreServices/Applications/Archive\ Utility.app/Contents/MacOS/Archive\ Utility "$XCODE_DMG"
+		xip --expand "$XCODE_DMG"
 		log "Installing Xcode $XCODE_VERSION to $XCODE_ROOT..."
 		mv *.app $XCODE_ROOT
 		popd > /dev/null