diff --git a/sysdeps/unix/sysv/linux/alpha/bits/types.h b/sysdeps/unix/sysv/linux/alpha/bits/types.h
index 70b7d7294f..699f14c8a2 100644
--- a/sysdeps/unix/sysv/linux/alpha/bits/types.h
+++ b/sysdeps/unix/sysv/linux/alpha/bits/types.h
@@ -107,4 +107,8 @@ typedef struct
 typedef int __t_scalar_t;
 typedef unsigned int __t_uscalar_t;
 
+
+/* Now add the thread types.  */
+#include <bits/pthreadtypes.h>
+
 #endif /* bits/types.h */