diff --git a/sys/i386/include/_types.h b/sys/i386/include/_types.h
index b272cf0f3f8..9810e0ee8b1 100644
--- a/sys/i386/include/_types.h
+++ b/sys/i386/include/_types.h
@@ -76,8 +76,8 @@ typedef	unsigned long long	__uint64_t;
 typedef	unsigned long	__clock_t;		/* clock()... */
 typedef	unsigned int	__cpumask_t;
 typedef	__int32_t	__critical_t;
-typedef	double		__double_t;
-typedef	double		__float_t;
+typedef	long double	__double_t;
+typedef	long double	__float_t;
 typedef	__int32_t	__intfptr_t;
 typedef	__int64_t	__intmax_t;
 typedef	__int32_t	__intptr_t;