diff --git a/meta-arago-distro/recipes-graphics/emptty/emptty_0.13.0.bb b/meta-arago-distro/recipes-graphics/emptty/emptty_0.13.0.bb
index ce84898c..412ad729 100644
--- a/meta-arago-distro/recipes-graphics/emptty/emptty_0.13.0.bb
+++ b/meta-arago-distro/recipes-graphics/emptty/emptty_0.13.0.bb
@@ -28,7 +28,7 @@ GO_TAGS = ""
 GO_TAGS:append = "${@bb.utils.contains('PACKAGECONFIG', 'pam', '', ',nopam', d)}"
 GO_TAGS:append = "${@bb.utils.contains('PACKAGECONFIG', 'x11', '', ',noxlib', d)}"
 
-GOBUILDFLAGS += "-tags=${GO_TAGS}"
+GOBUILDFLAGS:append = " -tags=${GO_TAGS}"
 
 export GO111MODULE="off"