diff --git a/linux-user/signal.c b/linux-user/signal.c index 1e716a9..4e1e4f0 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -3477,7 +3477,8 @@ static abi_ulong get_sigframe(struct target_sigaction *ka,
 static void unwind_gusa(CPUSH4State *regs)
 {
     /* If the stack pointer is sufficiently negative... */
-    if ((regs->gregs[15] & 0xc0000000u) == 0xc0000000u) {
+    if ((regs->gregs[15] & 0xc0000000u) == 0xc0000000u &&
+        regs->pc < regs->gregs[0]) {
         /* Reset the PC to before the gUSA region, as computed from
            R0 = region end, SP = -(region size), plus one more insn
            that actually sets SP to the region size.  */