diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c
--- a/sys/kern/kern_fork.c
+++ b/sys/kern/kern_fork.c
@@ -1144,7 +1144,7 @@
 			td->td_dbgflags &= ~TDB_STOPATFORK;
 		}
 		PROC_UNLOCK(p);
-	} else if (p->p_flag & P_TRACED || td->td_dbgflags & TDB_BORN) {
+	} else if (p->p_flag & P_TRACED) {
  		/*
 		 * This is the start of a new thread in a traced
 		 * process.  Report a system call exit event.
diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c
--- a/sys/kern/sys_process.c
+++ b/sys/kern/sys_process.c
@@ -1288,7 +1288,7 @@
 					    SIGSTOP);
 				}
 				td3->td_dbgflags &= ~(TDB_XSIG | TDB_FSTP |
-				    TDB_SUSPEND);
+				    TDB_SUSPEND | TDB_BORN);
 			}
 
 			if ((p->p_flag2 & P2_PTRACE_FSTP) != 0) {
diff --git a/sys/sys/param.h b/sys/sys/param.h
--- a/sys/sys/param.h
+++ b/sys/sys/param.h
@@ -76,7 +76,7 @@
  * cannot include sys/param.h and should only be updated here.
  */
 #undef __FreeBSD_version
-#define __FreeBSD_version 1400089
+#define __FreeBSD_version 1400090
 
 /*
  * __FreeBSD_kernel__ indicates that this system uses the kernel of FreeBSD,