diff --git a/headers/posix/stdc-predef.h b/headers/posix/stdc-predef.h
new file mode 100644
index 0000000000..fc51da35d7
--- /dev/null
+++ b/headers/posix/stdc-predef.h
@@ -0,0 +1,14 @@
+/*
+ * Copyright 2021 Haiku, Inc. All Rights Reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef _STDC_PREDEF_H
+#define _STDC_PREDEF_H
+
+
+#if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L
+#  define __STDC_NO_THREADS__	1
+#endif
+
+
+#endif /* _STDC_PREDEF_H */