diff --git a/src/hulk/hippo.d b/src/hulk/hippo.d
index 8106d10..0ac19dc 100644
--- a/src/hulk/hippo.d
+++ b/src/hulk/hippo.d
@@ -7,9 +7,7 @@ import hulk.header;
 import hulk.bootinfo;
 import hulk.klog;
 import hulk.linker_addresses;
-
-/** Page size. */
-enum size_t PAGE_SIZE = 4096u;
+import hulk.pagetable;
 
 struct hippo
 {
diff --git a/src/hulk/pagetable.d b/src/hulk/pagetable.d
index 5fa26db..4e0332a 100644
--- a/src/hulk/pagetable.d
+++ b/src/hulk/pagetable.d
@@ -16,6 +16,9 @@ enum ulong PT_GLOBAL = 0x100u;
 enum ulong PT_NO_EXECUTE = 0x8000_0000_0000_0000u;
 /** @} */
 
+/** Page size in bytes. */
+enum ulong PAGE_SIZE = 4096u;
+
 /**
  * Structure that represents a page table entry.
  */