diff --git a/src/unix/linux_like/emscripten/mod.rs b/src/unix/linux_like/emscripten/mod.rs
index 67631fcc..e415f589 100644
--- a/src/unix/linux_like/emscripten/mod.rs
+++ b/src/unix/linux_like/emscripten/mod.rs
@@ -5,8 +5,8 @@ pub type dev_t = u32;
 pub type socklen_t = u32;
 pub type pthread_t = c_ulong;
 pub type mode_t = u32;
-pub type ino64_t = u32;
-pub type off64_t = i32;
+pub type ino64_t = u64;
+pub type off64_t = i64;
 pub type blkcnt64_t = i32;
 pub type rlim64_t = u64;
 pub type shmatt_t = ::c_ulong;
@@ -16,14 +16,14 @@ pub type msglen_t = ::c_ulong;
 pub type nfds_t = ::c_ulong;
 pub type nl_item = ::c_int;
 pub type idtype_t = ::c_uint;
-pub type loff_t = i32;
+pub type loff_t = i64;
 pub type pthread_key_t = ::c_uint;
 
 pub type clock_t = c_long;
 pub type time_t = c_long;
 pub type suseconds_t = c_long;
 pub type ino_t = u32;
-pub type off_t = i32;
+pub type off_t = i64;
 pub type blkcnt_t = i32;
 
 pub type blksize_t = c_long;