diff --git a/12.0.Dockerfile b/12.0.Dockerfile
index 7d1fc573523b61e06fb274640de0067210536dc0..6940adef81b292d32679aee9147926daf2d23fab 100644
--- a/12.0.Dockerfile
+++ b/12.0.Dockerfile
@@ -104,6 +104,7 @@ RUN set -x; \
         mv /tmp/oca-repos/server-ux/base_technical_features \
            /tmp/oca-repos/server-ux/date_range \
            /tmp/oca-repos/server-ux/mass_editing \
+           /tmp/oca-repos/server-ux/mass_operation_abstract \
            /opt/odoo/additional_addons/ &&\
         git clone -b 12.0 --depth 1 https://github.com/OCA/social.git /tmp/oca-repos/social &&\
         mv /tmp/oca-repos/social/base_search_mail_content \
diff --git a/12.0_ml.Dockerfile b/12.0_ml.Dockerfile
index ac893eaddee6efad100738a7de9d110b330ef4aa..8242426dd782f7f8713226044d3887d175932280 100644
--- a/12.0_ml.Dockerfile
+++ b/12.0_ml.Dockerfile
@@ -103,6 +103,7 @@ RUN set -x; \
         mv /tmp/oca-repos/server-ux/base_technical_features \
            /tmp/oca-repos/server-ux/date_range \
            /tmp/oca-repos/server-ux/mass_editing \
+           /tmp/oca-repos/server-ux/mass_operation_abstract \
            /opt/odoo/additional_addons/ &&\
         git clone -b 12.0 --depth 1 https://github.com/OCA/social.git /tmp/oca-repos/social &&\
         mv /tmp/oca-repos/social/base_search_mail_content \