diff --git a/executer/user/mcexec.c b/executer/user/mcexec.c
index ea21db80..25b10cec 100644
--- a/executer/user/mcexec.c
+++ b/executer/user/mcexec.c
@@ -3122,6 +3122,7 @@ create_tracer(unsigned long user_start, unsigned long user_end)
 			    case __NR_munmap:
 			    case __NR_mprotect:
 			    case __NR_mremap:
+			    case __NR_msync:
 				break;
 			    case __NR_exit_group:
 				exited++;