diff --git a/build.spec b/build.spec
index 8fbd3ad9..6477be8f 100644
--- a/build.spec
+++ b/build.spec
@@ -149,7 +149,7 @@ ln -s sl42.${SLE_V:3:1}.conf default.conf
 # this is SUSE Leap 15 and higher
 ln -s sl${SLE_V:0:2}.${SLE_V:3:1}.conf default.conf
 %endif
-%if !0%{?sle_version} && 0%{?is_opensuse}
+%if !0%{?sle_version} && ( 0%{?suse_version} <= 1310 || 0%{?suse_version} == 1320 || 0%{?suse_version} == 1330 )
 # this is old openSUSE releases and Factory
 ln -s sl${SUSE_V:0:2}.${SUSE_V:2:1}.conf default.conf
 %endif
@@ -157,6 +157,10 @@ ln -s sl${SUSE_V:0:2}.${SUSE_V:2:1}.conf default.conf
 # this is SUSE SLE 12 and higher
 ln -s sle${SLE_V:0:2}.${SLE_V:3:1}.conf default.conf
 %endif
+%if 0%{?sles_version} == 1110
+# this is SUSE SLE 11 
+ln -s sles11sp2.conf default.conf
+%endif
 # make sure that we have a config
 test -e default.conf || exit 1
 %endif