diff --git a/sys_linux.c b/sys_linux.c
index 3dd411f..c06112a 100644
--- a/sys_linux.c
+++ b/sys_linux.c
@@ -467,9 +467,10 @@ SYS_Linux_EnableSystemCallFilter(int level)
     SCMP_SYS(adjtimex), SCMP_SYS(clock_gettime), SCMP_SYS(gettimeofday),
     SCMP_SYS(settimeofday), SCMP_SYS(time),
     /* Process */
-    SCMP_SYS(clone), SCMP_SYS(exit), SCMP_SYS(exit_group), SCMP_SYS(getrlimit),
-    SCMP_SYS(rt_sigaction), SCMP_SYS(rt_sigreturn), SCMP_SYS(rt_sigprocmask),
-    SCMP_SYS(set_tid_address), SCMP_SYS(sigreturn), SCMP_SYS(wait4),
+    SCMP_SYS(clone), SCMP_SYS(exit), SCMP_SYS(exit_group), SCMP_SYS(getpid),
+    SCMP_SYS(getrlimit), SCMP_SYS(rt_sigaction), SCMP_SYS(rt_sigreturn),
+    SCMP_SYS(rt_sigprocmask), SCMP_SYS(set_tid_address), SCMP_SYS(sigreturn),
+    SCMP_SYS(wait4),
     /* Memory */
     SCMP_SYS(brk), SCMP_SYS(madvise), SCMP_SYS(mmap), SCMP_SYS(mmap2),
     SCMP_SYS(mprotect), SCMP_SYS(mremap), SCMP_SYS(munmap), SCMP_SYS(shmdt),