diff --git a/recipes-connectivity/openssl/openssl_%.bbappend b/recipes-connectivity/openssl/openssl_%.bbappend
index 44898f0..8c88c3e 100644
--- a/recipes-connectivity/openssl/openssl_%.bbappend
+++ b/recipes-connectivity/openssl/openssl_%.bbappend
@@ -1,13 +1,13 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}:"
 
 # General config settings.
-EXTRA_OECONF_append = " shared no-hw no-err no-psk no-srp no-engines "
+EXTRA_OECONF_append_class-target = " shared no-hw no-err no-psk no-srp no-engines "
 
 # Disable SSL (keep TLS only).
-EXTRA_OECONF_append = " no-ssl2 no-ssl3 "
+EXTRA_OECONF_append_class-target = " no-ssl2 no-ssl3 "
 
 # Disable various algorithms.
-EXTRA_OECONF_append = " no-idea no-md2 no-mdc2 no-rc5 no-md4 \
+EXTRA_OECONF_append_class-target = " no-idea no-md2 no-mdc2 no-rc5 no-md4 \
         no-ripemd160 no-rmd160 no-whirlpool no-sha0 no-camellia \
         no-rc2 no-rc4 no-bf no-cast no-seed no-gost "