diff --git a/hyper-v.changes b/hyper-v.changes
index 3e66f33..2bc1ec1 100644
--- a/hyper-v.changes
+++ b/hyper-v.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Fri Mar 22 16:56:57 CET 2013 - ohering@suse.de
+
+- build hv_kvp_daemon with -D_GNU_SOURCE to get O_CLOEXEC
+
 -------------------------------------------------------------------
 Fri Mar 22 16:19:38 CET 2013 - ohering@suse.de
 
diff --git a/hyper-v.spec b/hyper-v.spec
index f7ec428..ab63cd1 100644
--- a/hyper-v.spec
+++ b/hyper-v.spec
@@ -55,6 +55,7 @@ gcc \
 	$RPM_OPT_FLAGS \
 	-Wno-unused-variable \
 	-Wno-pointer-sign \
+	-D_GNU_SOURCE \
 	-g \
 	%{hv_kvp_daemon}.c \
 	-include %{hv_kvp_daemon}.h \