diff --git a/src/unix/newlib/mod.rs b/src/unix/newlib/mod.rs
index 34a63a81a03f7..1a694691a635f 100644
--- a/src/unix/newlib/mod.rs
+++ b/src/unix/newlib/mod.rs
@@ -41,7 +41,7 @@ pub type tcflag_t = ::c_uint;
 pub type useconds_t = u32;
 
 cfg_if! {
-    if #[cfg(target_os = "horizon")] {
+    if #[cfg(any(target_os = "horizon", all(target_os = "espidf", espidf_time64)))] {
         pub type time_t = ::c_longlong;
     } else {
         pub type time_t = i32;