diff --git a/mysys/thr_alarm.c b/mysys/thr_alarm.c
index 759544af17b..396623dea21 100644
--- a/mysys/thr_alarm.c
+++ b/mysys/thr_alarm.c
@@ -78,10 +78,6 @@ void init_thr_alarm(uint max_alarms)
   sigfillset(&full_signal_set);			/* Neaded to block signals */
   pthread_mutex_init(&LOCK_alarm,MY_MUTEX_INIT_FAST);
   pthread_cond_init(&COND_alarm,NULL);
-  if (thd_lib_detected == THD_LIB_LT)
-    thr_client_alarm= SIGALRM;
-  else
-    thr_client_alarm= SIGUSR1;
 #ifndef USE_ALARM_THREAD
   if (thd_lib_detected != THD_LIB_LT)
 #endif
diff --git a/sql/mysqld.cc b/sql/mysqld.cc
index a3263b50951..0e9131389c9 100644
--- a/sql/mysqld.cc
+++ b/sql/mysqld.cc
@@ -2046,6 +2046,17 @@ static void init_signals(void)
   struct sigaction sa;
   DBUG_ENTER("init_signals");
 
+  if (thd_lib_detected == THD_LIB_LT)
+  {
+    thr_client_alarm= SIGALRM;
+    thr_kill_signal= SIGINT;
+  }
+  else
+  {
+    thr_client_alarm= SIGUSR1;
+    thr_kill_signal= SIGUSR2;
+  }
+
   if (test_flags & TEST_SIGINT)
   {
     my_sigset(thr_kill_signal, end_thread_signal);
@@ -3140,9 +3151,6 @@ int main(int argc, char **argv)
 
   MY_INIT(argv[0]);		// init my_sys library & pthreads
 
-  /* Set signal used to kill MySQL */
-  thr_kill_signal= thd_lib_detected == THD_LIB_LT ? SIGINT : SIGUSR2;
-
 #ifdef _CUSTOMSTARTUPCONFIG_
   if (_cust_check_startup())
   {