diff --git a/configure.ac b/configure.ac
index dec1a978a..8c88369a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -121,7 +121,7 @@ AC_ARG_ENABLE(debug,
 AC_MSG_CHECKING([whether to compile in debug mode])
 AC_MSG_RESULT([$enable_debug])
 if test "x$enable_debug" = "xyes" ; then
-	WZ_CFLAGS="${WZ_CFLAGS} -O0 -g -DDEBUG -Wall -Wno-nonnull -Wno-unused-label -Werror"
+	WZ_CFLAGS="${WZ_CFLAGS} -O0 -g -DDEBUG -Wall -Wno-nonnull -Wno-unused-label -Werror -Wno-int-to-pointer-cast -Wno-pointer-to-int-cast"
 elif test "x$enable_debug" = "xrelaxed" ; then
 	WZ_CFLAGS="${WZ_CFLAGS} -g -DDEBUG -Wall -Wextra"
 else