diff --git a/libc/include/sys/ucontext.h b/libc/include/sys/ucontext.h
index 8bd8c3b..399458e 100644
--- a/libc/include/sys/ucontext.h
+++ b/libc/include/sys/ucontext.h
@@ -83,12 +83,12 @@
 typedef unsigned long greg_t;
 typedef greg_t gregset_t[NGREG];
 
-struct user_fpsimd_state {
+struct user_fpsimd_struct {
   long double vregs[32];
   uint32_t fpsr;
   uint32_t fpcr;
 };
-typedef struct user_fpsimd_state fpregset_t;
+typedef struct user_fpsimd_struct fpregset_t;
 
 #include <asm/sigcontext.h>
 typedef struct sigcontext mcontext_t;