diff --git a/libvpx.changes b/libvpx.changes
index f14d91d..3ef0770 100644
--- a/libvpx.changes
+++ b/libvpx.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Mon Feb 23 13:37:39 UTC 2015 - rguenther@suse.com
+
+- Build with -std=gnu89 to deal with GCC 5 defaulting to -std=gnu11
+  and the C11 stddef.h providing a max_align_t that conflicts with
+  the one provided by nestegg/halloc/src/align.h.
+
 -------------------------------------------------------------------
 Tue Dec 10 16:26:06 UTC 2013 - hrvoje.senjan@gmail.com
 
diff --git a/libvpx.spec b/libvpx.spec
index 6ee54ab..fd43a3a 100644
--- a/libvpx.spec
+++ b/libvpx.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libvpx
 #
-# Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2015 SUSE LINUX Products GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -97,7 +97,7 @@ The WebM file structure is based on the Matroska container.
 
 %build
 cd build
-export CFLAGS="%{optflags}"
+export CFLAGS="-std=gnu89 %{optflags}"
 # It is only an emulation of autotools configure; the macro does not work
 
 # libvpx default enable NEON support on ARMv7, unfortunately some ARMv7