diff --git a/gnu/usr.bin/binutils/gdb/kvm-fbsd.c b/gnu/usr.bin/binutils/gdb/kvm-fbsd.c
index f8d5187440e3..da6435e50956 100644
--- a/gnu/usr.bin/binutils/gdb/kvm-fbsd.c
+++ b/gnu/usr.bin/binutils/gdb/kvm-fbsd.c
@@ -537,9 +537,9 @@ fetch_kcore_registers (struct pcb *pcbp)
    *     the last context switch to the debugger.
    * XXX do something with the floating-point registers?
    */
-  supply_register (SP_REGNUM, (char *)&pcbp->pcb_fp);
+  supply_register (SP_REGNUM, (char *)&pcbp->pcb_ufp);
   supply_register (PC_REGNUM, (char *)&pcbp->pcb_pc);
-  f_addr = extract_address (&pcbp->pcb_fp, SPARC_INTREG_SIZE);
+  f_addr = extract_address (&pcbp->pcb_ufp, SPARC_INTREG_SIZE);
   /* Load the previous frame by hand (XXX) and supply it. */
   read_memory (f_addr + SPOFF, (char *)&top, sizeof (top));
   for (i = 0; i < 8; i++)