diff --git a/core/os/os2/errors_posix.odin b/core/os/os2/errors_posix.odin
index 59f0ba5f1..0b5876c0b 100644
--- a/core/os/os2/errors_posix.odin
+++ b/core/os/os2/errors_posix.odin
@@ -26,6 +26,8 @@ _get_platform_error :: proc() -> Error {
 		return .Invalid_File
 	case .ENOMEM:
 		return .Out_Of_Memory
+	case .ENOSYS:
+		return .Unsupported
 	case:
 		return Platform_Error(errno)
 	}