diff --git a/meta-openembedded/meta-multimedia/recipes-mkv/libebml/libebml_1.3.0.bb b/meta-openembedded/meta-multimedia/recipes-mkv/libebml/libebml_1.3.0.bb
index 16e17e9..70df73f 100644
--- a/meta-openembedded/meta-multimedia/recipes-mkv/libebml/libebml_1.3.0.bb
+++ b/meta-openembedded/meta-multimedia/recipes-mkv/libebml/libebml_1.3.0.bb
@@ -14,8 +14,8 @@
 
 LIBEBML_OS = "Unknown"
 LIBEBML_OS_linux = "Linux"
-LIBEBML_OS_darwin = "Darwin"
-LIBEBML_OS_mingw32 = "Windows"
+LIBEBML_OS:darwin = "Darwin"
+LIBEBML_OS:mingw32 = "Windows"
 
 EXTRA_OEMAKE = "\
     'TARGET_OS=${LIBEBML_OS}' \