diff --git a/src/shims/unix/fs.rs b/src/shims/unix/fs.rs
index afcb506c14..7d60273232 100644
--- a/src/shims/unix/fs.rs
+++ b/src/shims/unix/fs.rs
@@ -605,12 +605,14 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
             // (Technically we do not support *not* setting this flag, but we ignore that.)
             mirror |= o_cloexec;
         }
-        let o_tmpfile = this.eval_libc_i32("O_TMPFILE")?;
-        if flag & o_tmpfile != 0 {
-            // if the flag contains `O_TMPFILE` then we return a graceful error
-            let eopnotsupp = this.eval_libc("EOPNOTSUPP")?;
-            this.set_last_error(eopnotsupp)?;
-            return Ok(-1);
+        if cfg!(target_os = "linux") {
+            let o_tmpfile = this.eval_libc_i32("O_TMPFILE")?;
+            if flag & o_tmpfile != 0 {
+                // if the flag contains `O_TMPFILE` then we return a graceful error
+                let eopnotsupp = this.eval_libc("EOPNOTSUPP")?;
+                this.set_last_error(eopnotsupp)?;
+                return Ok(-1);
+            }
         }
         // If `flag` is not equal to `mirror`, there is an unsupported option enabled in `flag`,
         // then we throw an error.