diff --git a/lib/std/c.zig b/lib/std/c.zig
index 7b7cfc61bf61ba05ddb57cb310dc72cbb8a12ba5..d4efb2c07e0fc412e495a993dbb451e09964e0b6 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -148,12 +148,12 @@ pub const timespec = switch (native_os) {
 };
 
 pub const dev_t = switch (native_os) {
-    .linux => linux.dev_t,
     .emscripten => emscripten.dev_t,
     .wasi => wasi.device_t,
     .openbsd, .haiku, .illumos, .driverkit, .ios, .maccatalyst, .macos, .tvos, .visionos, .watchos => i32,
+    // glibc and musl define dev_t as u64, while in Linux kernel it is u32.
     // https://github.com/SerenityOS/serenity/blob/b98f537f117b341788023ab82e0c11ca9ae29a57/Kernel/API/POSIX/sys/types.h#L43
-    .netbsd, .freebsd, .serenity => u64,
+    .linux, .netbsd, .freebsd, .serenity => u64,
     else => void,
 };
 
diff --git a/lib/std/os/linux.zig b/lib/std/os/linux.zig
index 772cec58cf61a22356f3b72302d8a2c3071e3b13..8326b406b652defa174a6190f553513e15ca0009 100644
--- a/lib/std/os/linux.zig
+++ b/lib/std/os/linux.zig
@@ -106,7 +106,7 @@ pub const user_desc = arch_bits.user_desc;
 
 pub const blkcnt_t = u64;
 pub const blksize_t = u32;
-pub const dev_t = u64;
+pub const dev_t = u32;
 pub const ino_t = u64;
 pub const mode_t = u32;
 pub const nlink_t = u32;