diff --git a/media-libs/libsdl/libsdl-1.2-hg.bep b/media-libs/libsdl/libsdl-1.2-hg.bep
index d2148dd3d..67c1980f8 100644
--- a/media-libs/libsdl/libsdl-1.2-hg.bep
+++ b/media-libs/libsdl/libsdl-1.2-hg.bep
@@ -18,6 +18,7 @@ BUILD {
 	./configure --prefix=`finddir B_COMMON_DIRECTORY` \
 		--libdir=$LIBDIR \
 		--mandir=$MANDIR
+	sed -i 's/#define HAVE_SIGACTION 1/#undef HAVE_SIGACTION/' include/SDL_config.h
 	make
 }