diff --git a/systemtap-docs.spec b/systemtap-docs.spec
index 58db265..bdee780 100644
--- a/systemtap-docs.spec
+++ b/systemtap-docs.spec
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via https://bugs.opensuse.org/
+# Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
 
@@ -22,7 +22,7 @@ Release:        0
 Summary:        Documents and examples for systemtap
 License:        GPL-2.0-or-later
 Group:          Development/Tools/Debuggers
-URL:            https://sourceware.org/systemtap/
+Url:            https://sourceware.org/systemtap/
 Source0:        https://sourceware.org/systemtap/ftp/releases/systemtap-%{version}.tar.gz
 Source1:        https://sourceware.org/systemtap/ftp/releases/systemtap-%{version}.tar.gz.asc
 Source2:        systemtap.keyring
diff --git a/systemtap-headers.spec b/systemtap-headers.spec
index 56ae5b7..5da1325 100644
--- a/systemtap-headers.spec
+++ b/systemtap-headers.spec
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via https://bugs.opensuse.org/
+# Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
 
@@ -29,7 +29,7 @@ Release:        0
 Summary:        SystemTap headers
 License:        GPL-2.0-or-later
 Group:          Development/Tools/Debuggers
-URL:            http://sourceware.org/systemtap/
+Url:            http://sourceware.org/systemtap/
 Source0:        https://sourceware.org/systemtap/ftp/releases/systemtap-%{version}.tar.gz
 Source1:        https://sourceware.org/systemtap/ftp/releases/systemtap-%{version}.tar.gz.asc
 Source2:        systemtap.keyring
diff --git a/systemtap.changes b/systemtap.changes
index 5e78c57..a259679 100644
--- a/systemtap.changes
+++ b/systemtap.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Apr 15 13:40:09 UTC 2019 - jlee@suse.com
+
+- Add BuildRequire libavahi-devel, otherwise that the systemstap-server
+  and systemstap client do not work. (bsc#1132538)
+
 -------------------------------------------------------------------
 Wed Jan 30 13:17:03 UTC 2019 - Dominique Leuenberger <dimstar@opensuse.org>
 
diff --git a/systemtap.spec b/systemtap.spec
index b6a9a3a..2681fd6 100644
--- a/systemtap.spec
+++ b/systemtap.spec
@@ -12,7 +12,7 @@
 # license that conforms to the Open Source Definition (Version 1.9)
 # published by the Open Source Initiative.
 
-# Please submit bugfixes or comments via https://bugs.opensuse.org/
+# Please submit bugfixes or comments via http://bugs.opensuse.org/
 #
 
 
@@ -25,7 +25,7 @@ Release:        0
 Summary:        Instrumentation System
 License:        GPL-2.0-or-later
 Group:          Development/Tools/Debuggers
-URL:            https://sourceware.org/systemtap/
+Url:            https://sourceware.org/systemtap/
 Source0:        https://sourceware.org/systemtap/ftp/releases/systemtap-%{version}.tar.gz
 Source1:        https://sourceware.org/systemtap/ftp/releases/systemtap-%{version}.tar.gz.asc
 Source2:        %{name}.keyring
@@ -34,6 +34,7 @@ Source4:        README-KEYRING
 Source5:        stap-server.conf
 Patch1:         systemtap-build-source-dir.patch
 BuildRequires:  gcc-c++
+BuildRequires:  libavahi-devel
 BuildRequires:  libcap-devel
 BuildRequires:  libebl-devel
 BuildRequires:  mozilla-nspr-devel