diff --git a/wireless-regdb.changes b/wireless-regdb.changes
index 23ffa8d..84811f7 100644
--- a/wireless-regdb.changes
+++ b/wireless-regdb.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sat Feb 13 10:36:18 UTC 2016 - afaerber@suse.de
+
+- Explicitly require xz, fixing tar errors for SLE11 builds
+- Work around a mismatch of lib vs. lib64 on SLE11 x86_64
+
 -------------------------------------------------------------------
 Tue Feb  9 21:51:01 UTC 2016 - mpluskal@suse.com
 
diff --git a/wireless-regdb.spec b/wireless-regdb.spec
index 712e496..ac339e1 100644
--- a/wireless-regdb.spec
+++ b/wireless-regdb.spec
@@ -24,6 +24,7 @@ License:        ISC
 Group:          Hardware/Wifi
 Url:            http://wireless.kernel.org/en/developers/Regulatory#The_regulatory_database
 Source:         https://www.kernel.org/pub/software/network/wireless-regdb/%{name}-%{version}.tar.xz
+BuildRequires:  xz
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
 
@@ -31,6 +32,11 @@ BuildArch:      noarch
 The 802.11 regulatory domain database is used by CRDA and provides
 allowed frequency ranges for 802.11 wireless drivers.
 
+%if 0%{?suse_version} == 1110
+# _libexecdir points to /usr/lib64 for SLE11
+%define _libexecdir %{_prefix}/lib
+%endif
+
 %prep
 %setup -q