diff --git a/arch/x86/kernel/entry64.asm b/arch/x86/kernel/entry64.asm
index 0064a2c3..080c87d5 100644
--- a/arch/x86/kernel/entry64.asm
+++ b/arch/x86/kernel/entry64.asm
@@ -230,7 +230,7 @@ cpu_init:
 
 ALIGN 4
 stublet:
-    mov esp, startup_stack
+    mov esp, startup_stack-4
 ; save pointer to the multiboot structure
     push ebx
 ; initialize cpu features
diff --git a/mm/memory.c b/mm/memory.c
index b01cdb58..2b6a4c51 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -109,7 +109,6 @@ int mmu_init(void)
 
 		while (mmap < mmap_end) {
 			if (mmap->type == MULTIBOOT_MEMORY_AVAILABLE) {
-				/
 				// set the available memory as "unused"
 				addr = mmap->addr;
 				end_addr = addr + mmap->len;