diff --git a/sc2/build/unix/build.config b/sc2/build/unix/build.config
index fcbf61cc4..eaefe1151 100644
--- a/sc2/build/unix/build.config
+++ b/sc2/build/unix/build.config
@@ -57,7 +57,7 @@ uqm_prepare_config()
 {
 	# Describe the menu:
 	MENU_main_ITEMS="debug graphics sound ioformat"
-	case "$HOST_TYPE" in
+	case "$HOST_SYSTEM" in
 		Darwin)
 			# Installation directory not modifiable
 			;;
@@ -295,7 +295,7 @@ uqm_pre_install() {
 }
 
 uqm_install() {
-	case "$HOST_TYPE" in
+	case "$HOST_SYSTEM" in
 		Darwin)
 			uqm_install_osx
 			;;