diff --git a/src/codegen_backend_arm64.c b/src/codegen_backend_arm64.c
index 9df86f9..99e1c23 100644
--- a/src/codegen_backend_arm64.c
+++ b/src/codegen_backend_arm64.c
@@ -30,7 +30,12 @@ int codegen_host_reg_list[CODEGEN_HOST_REGS] =
         REG_X20,
         REG_X21,
 	REG_X22,
-	REG_X23
+	REG_X23,
+        REG_X24,
+        REG_X25,
+	REG_X26,
+	REG_X27,
+	REG_X28
 };
 
 static void build_load_routine(codeblock_t *block, int size)
diff --git a/src/codegen_backend_arm64_defs.h b/src/codegen_backend_arm64_defs.h
index 48e58ec..c818d89 100644
--- a/src/codegen_backend_arm64_defs.h
+++ b/src/codegen_backend_arm64_defs.h
@@ -75,7 +75,7 @@
 
 #define REG_TEMP REG_X7
 
-#define CODEGEN_HOST_REGS 5
+#define CODEGEN_HOST_REGS 10
 
 extern void *codegen_mem_load_byte;
 extern void *codegen_mem_load_word;