diff --git a/src/fuchsia/mod.rs b/src/fuchsia/mod.rs
index f7fd67dfa28f0..79971e37f538d 100644
--- a/src/fuchsia/mod.rs
+++ b/src/fuchsia/mod.rs
@@ -1333,6 +1333,7 @@ pub const S_ISGID: ::c_int = 0x400;
 pub const S_ISVTX: ::c_int = 0x200;
 
 pub const IF_NAMESIZE: ::size_t = 16;
+pub const IFNAMSIZ: ::size_t = IF_NAMESIZE;
 
 pub const LOG_EMERG: ::c_int = 0;
 pub const LOG_ALERT: ::c_int = 1;