diff --git a/sratom.changes b/sratom.changes
index 0da83bf..6ad3b60 100644
--- a/sratom.changes
+++ b/sratom.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Sep 21 06:23:43 UTC 2018 - olaf@aepfle.de
+
+- Use --std=gnu99 to fix comilation of bogus C code
+
 -------------------------------------------------------------------
 Fri Aug 24 20:43:37 UTC 2018 - tchvatal@suse.com
 
diff --git a/sratom.spec b/sratom.spec
index 4e31c01..8c4d1a5 100644
--- a/sratom.spec
+++ b/sratom.spec
@@ -31,7 +31,7 @@ BuildRequires:  graphviz
 BuildRequires:  pkgconfig
 BuildRequires:  python3
 BuildRequires:  pkgconfig(lv2) >= 1.10.0
-BuildRequires:  pkgconfig(serd-0) >= 0.23.0
+BuildRequires:  pkgconfig(serd-0) >= 0.30.0
 BuildRequires:  pkgconfig(sord-0) >= 0.12.0
 
 %description
@@ -58,7 +58,7 @@ Development files for libsratom.
 %setup -q
 
 %build
-export CFLAGS='%{optflags}'
+export CFLAGS='%{optflags} --std=gnu99'
 export CXXFLAGS='%{optflags}'
 python3 ./waf configure \
   --prefix=%{_prefix} \