diff --git a/ports/unix/proj/unixsim/simnode.c b/ports/unix/proj/unixsim/simnode.c
index ebdadb3..2d6865e 100644
--- a/ports/unix/proj/unixsim/simnode.c
+++ b/ports/unix/proj/unixsim/simnode.c
@@ -100,7 +100,7 @@ tcpip_init_done(void *arg)
 
   sys_timeout(5000, tcp_timeout, NULL);
 
-  sys_sem_signal(*sem);
+  sys_sem_signal(sem);
 }
 /*-----------------------------------------------------------------------------------*/
 
diff --git a/ports/unix/proj/unixsim/simrouter.c b/ports/unix/proj/unixsim/simrouter.c
index c22e0d0..c324408 100644
--- a/ports/unix/proj/unixsim/simrouter.c
+++ b/ports/unix/proj/unixsim/simrouter.c
@@ -115,7 +115,7 @@ tcpip_init_done(void *arg)
 
   sys_timeout(5000, tcp_timeout, NULL);
 
-  sys_sem_signal(*sem);
+  sys_sem_signal(sem);
 }