diff --git a/meta-oe/recipes-graphics/graphviz/graphviz_14.1.4.bb b/meta-oe/recipes-graphics/graphviz/graphviz_14.1.4.bb
index bfc59c3ca1..a5f08d0c85 100644
--- a/meta-oe/recipes-graphics/graphviz/graphviz_14.1.4.bb
+++ b/meta-oe/recipes-graphics/graphviz/graphviz_14.1.4.bb
@@ -68,7 +68,7 @@ do_install:append:class-nativesdk() {
     install -d ${D}${SDKPATHNATIVE}/post-relocate-setup.d
     install -m 0755 ${UNPACKDIR}/graphviz-setup.sh ${D}${SDKPATHNATIVE}/post-relocate-setup.d
 }
-FILES:${PN}:class-nativesdk += "${SDKPATHNATIVE}"
+FILES:${PN}:append:class-nativesdk = " ${SDKPATHNATIVE}"
 
 # create /usr/lib/graphviz/config6
 graphviz_sstate_postinst() {