diff --git a/meta/recipes-support/libsoup/libsoup_3.4.2.bb b/meta/recipes-support/libsoup/libsoup_3.4.2.bb
index ad86c890a1..3996ae6836 100644
--- a/meta/recipes-support/libsoup/libsoup_3.4.2.bb
+++ b/meta/recipes-support/libsoup/libsoup_3.4.2.bb
@@ -37,7 +37,7 @@ do_write_config:append:class-target() {
 ntlm_auth = '${bindir}/ntlm_auth'
 EOF
 }
-EXTRA_OEMESON += "--cross-file ${WORKDIR}/soup.cross"
+EXTRA_OEMESON:append:class-target = " --cross-file ${WORKDIR}/soup.cross"
 
 EXTRA_OEMESON += "-Dvapi=disabled -Dtls_check=false"
 # Disable the test suites