diff --git a/toolchain/musl/include/features.h b/toolchain/musl/include/features.h
index df54c16f0b..0a01f841b8 100644
--- a/toolchain/musl/include/features.h
+++ b/toolchain/musl/include/features.h
@@ -48,7 +48,7 @@
 #define __GNU_LIBRARY__ 6
 
 #define __GLIBC__ 2
-#define __GLIBC_MINOR__ 16
+#define __GLIBC_MINOR__ 2
 #endif
 
 #include <sys/glibc-types.h>
diff --git a/toolchain/musl/include/sys/glibc-types.h b/toolchain/musl/include/sys/glibc-types.h
index 1b2824932b..baa7eb5db0 100644
--- a/toolchain/musl/include/sys/glibc-types.h
+++ b/toolchain/musl/include/sys/glibc-types.h
@@ -1,6 +1,8 @@
 #ifndef __MUSL_GLIBC_TYPES_H
 #define __MUSL_GLIBC_TYPES_H
 
+#include <sys/cdefs.h>
+
 /* Convenience types.  */
 typedef unsigned char __u_char;
 typedef unsigned short int __u_short;
@@ -25,5 +27,6 @@ __extension__ typedef unsigned long long int __uint64_t;
 #define __off64_t off_t
 #define __loff_t off_t
 typedef char *__caddr_t;
+#define __locale_t locale_t
 
 #endif