diff --git a/config/master.cfg b/config/master.cfg
index 9b6d124..056252c 100644
--- a/config/master.cfg
+++ b/config/master.cfg
@@ -1036,8 +1036,8 @@ p_master = {
 		"--enable-vkeybd",
 		"--enable-plugins",
 		"--default-dynamic",
-		"--with-sdl-prefix=/opt/toolchains/arm-caanoo/arm-none-linux-gnueabi/usr",
-		"--with-freetype2-prefix=/opt/toolchains/arm-caanoo/arm-none-linux-gnueabi/usr"
+		"--with-sdl-prefix=%s/arm-none-linux-gnueabi/usr" % scumm_root_caanoo,
+		"--with-freetype2-prefix=%s/arm-none-linux-gnueabi/usr" % scumm_root_caanoo
 	],
 	"env": scumm_env_caanoo,
 	"disttarget": "caanoo-bundle",