diff --git a/slurm.changes b/slurm.changes
index 4c7c8b6..2e07772 100644
--- a/slurm.changes
+++ b/slurm.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun Jul 14 13:28:13 UTC 2019 - Egbert Eich <eich@suse.com>
+
+- Fix build for SLE-11-SP4 and older.
+
 -------------------------------------------------------------------
 Fri Jul 12 09:04:55 UTC 2019 - Christian Goll <cgoll@suse.com>
 
diff --git a/slurm.spec b/slurm.spec
index 5203a4b..d8e69d0 100644
--- a/slurm.spec
+++ b/slurm.spec
@@ -1098,9 +1098,10 @@ exit 0
 %{_mandir}/man1/sh5util.1.gz
 %endif
 
+%if 0%{?is_opensuse} || 0%{?have_json_c}
 %files cray
 # do not remove cray sepcific packages from SLES update
-%if 0%{?is_opensuse}
+ %if 0%{?is_opensuse}
 %{_libdir}/slurm/acct_gather_energy_cray.so
 %{_libdir}/slurm/core_spec_cray.so
 %{_libdir}/slurm/job_submit_cray.so
@@ -1108,9 +1109,12 @@ exit 0
 %{_libdir}/slurm/switch_cray.so
 %{_libdir}/slurm/task_cray.so
 %{_mandir}/man5/cray.*
-%endif
+ %endif
+ %if 0%{?have_json_c}
 %{_libdir}/slurm/burst_buffer_cray.so
 %{_libdir}/slurm/node_features_knl_cray.so
-%{_libdir}/slurm/power_cray.so
+ %{_libdir}/slurm/power_cray.so
+%endif
+%endif
 
 %changelog