diff --git a/security/sandbox/linux/SandboxFilter.cpp b/security/sandbox/linux/SandboxFilter.cpp
index dffefac..19cc432 100644
--- a/security/sandbox/linux/SandboxFilter.cpp
+++ b/security/sandbox/linux/SandboxFilter.cpp
@@ -1595,6 +1595,11 @@ class ContentSandboxPolicy : public SandboxPolicyCommon {
       case __NR_clone3:
         return Error(ENOSYS);
 
+#  ifdef __NR_fork
+      case __NR_fork:
+        return Error(ENOSYS);
+#  endif
+
 #  ifdef __NR_fadvise64
       case __NR_fadvise64:
         return Allow();
@@ -1736,10 +1741,10 @@ class GMPSandboxPolicy : public SandboxPolicyCommon {
         return Allow();
       case __NR_sched_get_priority_min:
       case __NR_sched_get_priority_max:
+      case __NR_sched_setscheduler:
         return Allow();
       case __NR_sched_getparam:
-      case __NR_sched_getscheduler:
-      case __NR_sched_setscheduler: {
+      case __NR_sched_getscheduler: {
         Arg<pid_t> pid(0);
         return If(pid == 0, Allow()).Else(Trap(SchedTrap, nullptr));
       }