diff --git a/src/lib.rs b/src/lib.rs
index 8ef48305b..ad209daa3 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3616,7 +3616,7 @@ impl Build {
 
             let version = run_output(
                 self.cmd("xcrun")
-                    .arg("--show-sdk-platform-version")
+                    .arg("--show-sdk-version")
                     .arg("--sdk")
                     .arg(sdk),
                 "xcrun",