diff --git a/recipes-core/images/cip-core-image-security.bb b/recipes-core/images/cip-core-image-security.bb
index 70571f83b7b0a59f3553093ec67273b09cfdd938..b883414613ca6667a99f98705f3215ca67b4dd00 100644
--- a/recipes-core/images/cip-core-image-security.bb
+++ b/recipes-core/images/cip-core-image-security.bb
@@ -18,7 +18,7 @@ IMAGE_INSTALL += "customizations"
 
 # Debian packages that provide security features
 # TODO: Add sudo or sudo-ldap which conflict each other
-IMAGE_PREINSTALL = " \
+IMAGE_PREINSTALL += " \
 	openssl libssl1.1 \
 	fail2ban \
 	openssh-server openssh-sftp-server openssh-client \