diff --git a/kernel/hal/x86_64/gdt.c b/kernel/hal/x86_64/gdt.c
index e3d8d3d..ef9c60a 100644
--- a/kernel/hal/x86_64/gdt.c
+++ b/kernel/hal/x86_64/gdt.c
@@ -60,7 +60,7 @@ void gdt_setenty(GdtEntry *entry, uint32_t base, uint32_t limit, uint8_t access,
   entry->basemid = (base >> 16) & 0xff;
   entry->basehigh = (base >> 24) & 0xff;
   entry->limitlow = limit & 0xffff;
-  entry->gran = (limit >> 16) & 0x0f | (gran & 0xf0);
+  entry->gran = ((limit >> 16) & 0x0f) | (gran & 0xf0);
   entry->access = access;
 }