diff --git a/hypervisor/arch/x86/guest/ept.c b/hypervisor/arch/x86/guest/ept.c
index 601872545..048681047 100644
--- a/hypervisor/arch/x86/guest/ept.c
+++ b/hypervisor/arch/x86/guest/ept.c
@@ -222,7 +222,7 @@ uint64_t local_gpa2hpa(struct acrn_vm *vm, uint64_t gpa, uint32_t *size)
 	void *eptp;
 
 	eptp = get_ept_entry(vm);
-	pgentry = lookup_address((uint64_t *)eptp, gpa, &pg_size, &vm->arch_vm.ept_pgtable);
+	pgentry = pgtable_lookup_entry((uint64_t *)eptp, gpa, &pg_size, &vm->arch_vm.ept_pgtable);
 	if (pgentry != NULL) {
 		hpa = (((*pgentry & (~EPT_PFN_HIGH_MASK)) & (~(pg_size - 1UL)))
 				| (gpa & (pg_size - 1UL)));
diff --git a/hypervisor/arch/x86/pagetable.c b/hypervisor/arch/x86/pagetable.c
index 2f6f8d620..8a40fbc0e 100644
--- a/hypervisor/arch/x86/pagetable.c
+++ b/hypervisor/arch/x86/pagetable.c
@@ -485,7 +485,7 @@ void *pgtable_create_trusty_root(const struct pgtable *table,
 /**
  * @pre (pml4_page != NULL) && (pg_size != NULL)
  */
-const uint64_t *lookup_address(uint64_t *pml4_page, uint64_t addr, uint64_t *pg_size, const struct pgtable *table)
+const uint64_t *pgtable_lookup_entry(uint64_t *pml4_page, uint64_t addr, uint64_t *pg_size, const struct pgtable *table)
 {
 	const uint64_t *pret = NULL;
 	bool present = true;
diff --git a/hypervisor/include/arch/x86/pgtable.h b/hypervisor/include/arch/x86/pgtable.h
index 4dda8fb7d..2cb569b51 100644
--- a/hypervisor/include/arch/x86/pgtable.h
+++ b/hypervisor/include/arch/x86/pgtable.h
@@ -310,7 +310,7 @@ void *pgtable_create_trusty_root(const struct pgtable *table,
 /**
  *@pre (pml4_page != NULL) && (pg_size != NULL)
  */
-const uint64_t *lookup_address(uint64_t *pml4_page, uint64_t addr,
+const uint64_t *pgtable_lookup_entry(uint64_t *pml4_page, uint64_t addr,
 		uint64_t *pg_size, const struct pgtable *table);
 
 void pgtable_add_map(uint64_t *pml4_page, uint64_t paddr_base,