diff --git a/headers/memory.h b/headers/memory.h
index 6fd2af7..5a4686d 100644
--- a/headers/memory.h
+++ b/headers/memory.h
@@ -29,7 +29,7 @@
 #define PDE_MULTIBOOT   1020
 
 #define GET_PTE(pd_index, pt_index)                                            \
-	((uint32_t *)(VIRT_PT_BASE + pd_index * 4096 + pt_index))
+	((uint32_t *)(VIRT_PT_BASE + ((uint32_t) pd_index) * 4096 + ((uint32_t) pt_index) * 4))
 
 #define PTE2VA(pd_index, pt_index)                                             \
 	((uint32_t *)((((uint32_t)pd_index * 1024) + (uint32_t)pt_index) *     \