1 files changed, 1 insertions, 1 deletions

diff --git a/lib/libthread_db/arch/i386/libpthread_md.c b/lib/libthread_db/arch/i386/libpthread_md.c
index d41865f521e39..784c245d93eb1 100644
--- a/lib/libthread_db/arch/i386/libpthread_md.c
+++ b/lib/libthread_db/arch/i386/libpthread_md.c
@@ -72,7 +72,7 @@ pt_ucontext_to_fpreg(const ucontext_t *uc, struct fpreg *r)
 		memcpy(r, &uc->uc_mcontext.mc_fpstate, sizeof(struct save87));
 	else {
 		int i;
-		struct savexmm *sx = (struct savexmm *)&uc->uc_mcontext.mc_fpstate;
+		const struct savexmm *sx = (const struct savexmm *)&uc->uc_mcontext.mc_fpstate;
 		memcpy(&r->fpr_env, &sx->sv_env, sizeof(r->fpr_env));
 		for (i = 0; i < 8; ++i)
 			memcpy(&r->fpr_acc[i], &sx->sv_fp[i].fp_acc, 10);