diff --git a/postgresql12.changes b/postgresql12.changes
index 580381b..bb409f3 100644
--- a/postgresql12.changes
+++ b/postgresql12.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jun 16 12:21:43 UTC 2020 - Reinhard Max <max@suse.com>
+
+- Let postgresqlXX conflict with postgresql-noarch < 12.0.1 to get
+  a clean and complete cutover to the new packaging schema.
+
 -------------------------------------------------------------------
 Wed Jun  3 17:36:27 UTC 2020 - Reinhard Max <max@suse.com>
 
diff --git a/postgresql12.spec b/postgresql12.spec
index 885febc..fa728a7 100644
--- a/postgresql12.spec
+++ b/postgresql12.spec
@@ -149,6 +149,9 @@ Provides:       postgresql-implementation = %version-%release
 Requires:       %libpq >= %version
 Requires(post): postgresql-noarch >= %pgmajor
 Requires(postun): postgresql-noarch >= %pgmajor
+# At this point we changed the package layout on SLE and conflict with
+# older releases to get a clean cut.
+Conflicts:      postgresql-noarch < 12.0.1
 
 %description
 PostgreSQL is an advanced object-relational database management system