diff --git a/include/arch/x86/mmustructs.h b/include/arch/x86/mmustructs.h
index 0c2406f0d87..f744d7699a6 100644
--- a/include/arch/x86/mmustructs.h
+++ b/include/arch/x86/mmustructs.h
@@ -352,7 +352,11 @@ static inline struct x86_page_tables *z_x86_page_tables_get(void)
 {
 	struct x86_page_tables *ret;
 
+#ifdef CONFIG_X86_64
+	__asm__ volatile("movq %%cr3, %0\n\t" : "=r" (ret));
+#else
 	__asm__ volatile("movl %%cr3, %0\n\t" : "=r" (ret));
+#endif
 
 	return ret;
 }