diff --git a/linux-user/main.c b/linux-user/main.c
index c5da418fa4..b2bc6ab2f7 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -2982,7 +2982,12 @@ void cpu_loop(CPUMBState *env)
                              env->regs[9], 
                              env->regs[10],
                              0, 0);
-            env->regs[3] = ret;
+            if (ret == -TARGET_ERESTARTSYS) {
+                /* Wind back to before the syscall. */
+                env->sregs[SR_PC] -= 4;
+            } else if (ret != -TARGET_QEMU_ESIGRETURN) {
+                env->regs[3] = ret;
+            }
             /* All syscall exits result in guest r14 being equal to the
              * PC we return to, because the kernel syscall exit "rtbd" does
              * this. (This is true even for sigreturn(); note that r14 is
diff --git a/linux-user/microblaze/target_signal.h b/linux-user/microblaze/target_signal.h
index 3d1f7a7238..acdf3b5acd 100644
--- a/linux-user/microblaze/target_signal.h
+++ b/linux-user/microblaze/target_signal.h
@@ -26,4 +26,5 @@ static inline abi_ulong get_sp_from_cpustate(CPUMBState *state)
     return state->regs[14];
 }
 
+
 #endif /* TARGET_SIGNAL_H */
diff --git a/linux-user/signal.c b/linux-user/signal.c
index b4641dffb8..9e8555096a 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -3618,7 +3618,7 @@ long do_sigreturn(CPUMBState *env)
     env->regs[14] = env->sregs[SR_PC];
 
     unlock_user_struct(frame, frame_addr, 0);
-    return env->regs[10];
+    return -TARGET_QEMU_ESIGRETURN;
 badframe:
     force_sig(TARGET_SIGSEGV);
 }