diff --git a/src/trusty.rs b/src/trusty.rs
index 3155fd23e6a3..2d2b78881a75 100644
--- a/src/trusty.rs
+++ b/src/trusty.rs
@@ -43,6 +43,9 @@ pub type c_int16_t = i16;
 pub type c_int32_t = i32;
 pub type c_int64_t = i64;
 
+pub type intptr_t = isize;
+pub type uintptr_t = usize;
+
 pub type c_float = f32;
 pub type c_double = f64;