diff --git a/action.c b/action.c
index fad85bfe55..f2c64727dd 100644
--- a/action.c
+++ b/action.c
@@ -1881,6 +1881,8 @@ int do_action(struct action* a, struct sip_msg* msg)
 					msg, a->file, a->line) ;
 				ret = async_start_f( msg, aitem, a->elem[1].u.number);
 			}
+			action_flags |= ACT_FL_TBCONT;
+			ret = 0;
 			break;
 		case FORCE_RPORT_T:
 			script_trace("core", "force_rport", msg, a->file, a->line) ;
diff --git a/action.h b/action.h
index 13c4585407..c0f9ad8e93 100644
--- a/action.h
+++ b/action.h
@@ -32,9 +32,10 @@
 #include "parser/msg_parser.h"
 #include "route_struct.h"
 
-#define ACT_FL_EXIT		1
-#define ACT_FL_RETURN	2
-#define ACT_FL_DROP		4
+#define ACT_FL_EXIT     (1<<0)
+#define ACT_FL_RETURN   (1<<1)
+#define ACT_FL_DROP     (2<<2)
+#define ACT_FL_TBCONT   (2<<3)
 
 extern int action_flags;
 extern int use_script_trace;
diff --git a/modules/tm/async.c b/modules/tm/async.c
index 46a0bf9c08..a9de766d6f 100644
--- a/modules/tm/async.c
+++ b/modules/tm/async.c
@@ -41,6 +41,16 @@ typedef struct _async_ctx {
 extern int return_code; /* from action.c, return code */
 
 
+
+static inline void run_resume_route( int resume_route, struct sip_msg *msg)
+{
+	/* run the resume route and if it ends the msg handling (no other aysnc
+	 * started), run the post script callbacks. */
+	if ( (run_top_route(rlist[resume_route].a, msg) & ACT_FL_TBCONT) == 0 )
+		exec_post_req_cb(msg);
+}
+
+
 /* function triggered from reactor in order to continue the processing
  */
 int t_resume_async(int fd, void *param)
@@ -92,7 +102,7 @@ int t_resume_async(int fd, void *param)
 	close(fd);
 
 	/* run the resume_route[] */
-	run_top_route( rlist[ctx->resume_route].a, &faked_req);
+	run_resume_route( ctx->resume_route, &faked_req);
 
 restore:
 	/* restore original environment */
@@ -176,8 +186,6 @@ int t_handle_async(struct sip_msg *msg, struct action* a , int resume_route)
 	ctx->resume_route = resume_route;
 	ctx->t = t;
 
-	set_kr(REQ_FWDED);
-
 	/* place the FD + resume function (as param) into reactor */
 	if (reactor_add_reader( fd, F_SCRIPT_ASYNC, (void*)ctx)<0 ) {
 		LM_ERR("failed to add async FD to reactor -> act in sync mode\n");
@@ -193,7 +201,7 @@ int t_handle_async(struct sip_msg *msg, struct action* a , int resume_route)
 	/* run the resume function */
 	ctx_f( fd, msg, ctx_p );
 	/* run the resume route in sync mode */
-	run_top_route(rlist[resume_route].a, msg);
+	run_resume_route( resume_route, msg);
 	/* break original script */
 	return 0;
 
@@ -202,7 +210,7 @@ int t_handle_async(struct sip_msg *msg, struct action* a , int resume_route)
 	/* execute here the resume route with failure indication */
 	return_code = -1; /* FIXME */
 	/* run the resume route */
-	run_top_route(rlist[resume_route].a, msg);
+	run_resume_route( resume_route, msg);
 	/* the triggering route is terminated and whole script ended */
 	return 0;
 }