diff --git a/atftp.changes b/atftp.changes
index dd7e2b4..f0c18cf 100644
--- a/atftp.changes
+++ b/atftp.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Jun  8 07:39:43 UTC 2015 - schwab@suse.de
+
+- Force gnu89 inline semantics
+
 -------------------------------------------------------------------
 Tue May 26 08:19:21 UTC 2015 - mpluskal@suse.com
 
diff --git a/atftp.spec b/atftp.spec
index d249b70..21185eb 100644
--- a/atftp.spec
+++ b/atftp.spec
@@ -96,6 +96,7 @@ boot of hundreds of machines simultaneously.
 autoreconf -fi
 
 %build
+CFLAGS="%optflags -fgnu89-inline"
 %configure
 make %{?_smp_mflags}