diff --git a/src/osax/mach_loader.c b/src/osax/mach_loader.c
index 0ee24da7..220b27b8 100644
--- a/src/osax/mach_loader.c
+++ b/src/osax/mach_loader.c
@@ -75,7 +75,7 @@ bool mach_loader_inject_payload(pid_t pid)
         return false;
     }
 
-    if (vm_protect(task, stack, stack_size, 0, VM_PROT_READ | VM_PROT_WRITE) != KERN_SUCCESS) {
+    if (vm_protect(task, stack, stack_size, 1, VM_PROT_READ | VM_PROT_WRITE) != KERN_SUCCESS) {
         fprintf(stderr, "could not change protection for stack segment\n");
         return false;
     }