diff --git a/lib/std/os/linux/sparc64.zig b/lib/std/os/linux/sparc64.zig
index b1f96f144cd024684ece0849eef07261328ed71e..6af13259902c09ebfa4dfb02ac52530a0839050e 100644
--- a/lib/std/os/linux/sparc64.zig
+++ b/lib/std/os/linux/sparc64.zig
@@ -715,7 +715,7 @@ pub const Stat = extern struct {
 
 pub const timeval = extern struct {
     tv_sec: isize,
-    tv_usec: isize,
+    tv_usec: i32,
 };
 
 pub const timezone = extern struct {