diff --git a/src/cast.rs b/src/cast.rs
index 881e735..12ad6c2 100644
--- a/src/cast.rs
+++ b/src/cast.rs
@@ -493,6 +493,7 @@ impl_as_primitive!(isize => u8, i8, u16, i16, u32, i32, u64, isize, usize, i64,
 impl_as_primitive!(f32 => u8, i8, u16, i16, u32, i32, u64, isize, usize, i64, f32, f64);
 impl_as_primitive!(f64 => u8, i8, u16, i16, u32, i32, u64, isize, usize, i64, f32, f64);
 impl_as_primitive!(char => char, u8, i8, u16, i16, u32, i32, u64, isize, usize, i64);
+impl_as_primitive!(bool => u8, i8, u16, i16, u32, i32, u64, isize, usize, i64);
 
 #[test]
 fn to_primitive_float() {