diff --git a/libt3window.changes b/libt3window.changes
index 5c9bb93..23c9aac 100644
--- a/libt3window.changes
+++ b/libt3window.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Fri Feb  7 22:08:26 UTC 2014 - dimstar@opensuse.org
+
+- Declare CC=gcc to ensure we build with gcc; seems make falls back
+  to 'c99' otherwise (instead of requiring posix_cc).
+
 -------------------------------------------------------------------
 Mon Jun 10 13:04:05 UTC 2013 - jengelh@inai.de
 
diff --git a/libt3window.spec b/libt3window.spec
index c60105f..5ec6edd 100644
--- a/libt3window.spec
+++ b/libt3window.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package libt3window
 #
-# Copyright (c) 2013 SUSE LINUX Products GmbH, Nuernberg, Germany.
+# Copyright (c) 2014 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
@@ -72,6 +72,7 @@ applications that want to make use of libt3window.
 %setup -q
 
 %build
+export CC=gcc
 %configure --docdir="%_docdir/%name"
 make %{?_smp_mflags}