diff --git a/app-emulation/wine/wine-1.3.4.ebuild b/app-emulation/wine/wine-1.3.4.ebuild
index b9b58e2..28d8cfa 100644
--- a/app-emulation/wine/wine-1.3.4.ebuild
+++ b/app-emulation/wine/wine-1.3.4.ebuild
@@ -169,6 +169,9 @@ src_configure() {
 	export LDCONFIG=/bin/true
 	use custom-cflags || strip-flags
 
+	export CFLAGS="${CFLAGS} -D_FORTIFY_SOURCE=0"
+	export CXXFLAGS="${CXXFLAGS} -D_FORTIFY_SOURCE=0"
+
 	if use win64 ; then
 		do_configure 64 --enable-win64
 		use win32 && ABI=x86 do_configure 32 --with-wine64=../wine64