diff --git a/mpiP.changes b/mpiP.changes
index 37ab762..986cead 100644
--- a/mpiP.changes
+++ b/mpiP.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Nov 28 16:03:47 UTC 2019 - Egbert Eich <eich@suse.com>
+
+- Disable openmpi1 builds for SLE/Leap > 15.1.
+- Enable openmpi3 builds for Leap and SLE > 15.1 (jsc#SLE-7773).
+
 -------------------------------------------------------------------
 Thu Sep 26 09:40:42 UTC 2019 - Nicolas Morey-Chaisemartin <nmoreychaisemartin@suse.com>
 
diff --git a/mpiP.spec b/mpiP.spec
index 1b2f197..5823684 100644
--- a/mpiP.spec
+++ b/mpiP.spec
@@ -22,9 +22,10 @@
 %define vers 3.4.1
 %define _vers 3_4_1
 
-%if 0%{?is_opensuse} || 0%{?is_backports}
-%undefine DisOMPI3
-%else
+%if 0%{?sle_version} >= 150200
+%define DisOMPI1 ExclusiveArch:  do_not_build
+%endif
+%if 0%{!?is_opensuse:1} && 0%{?sle_version:1} && 0%{?sle_version} < 150200
 %define DisOMPI3 ExclusiveArch:  do_not_build
 %endif