diff --git a/tests/test_arm64.c b/tests/test_arm64.c
index 867bdba45..9170ed4fe 100644
--- a/tests/test_arm64.c
+++ b/tests/test_arm64.c
@@ -33,8 +33,8 @@ static void print_insn_detail(cs_insn *ins)
 {
 	cs_arm64 *arm64;
 	int i;
-    cs_regs regs_read, regs_write;
-    uint8_t regs_read_count, regs_write_count;
+	cs_regs regs_read, regs_write;
+	uint8_t regs_read_count, regs_write_count;
 
 	// detail can be NULL if SKIPDATA option is turned ON
 	if (ins->detail == NULL)
@@ -91,7 +91,7 @@ static void print_insn_detail(cs_insn *ins)
 				break;
 		}
 
-                uint8_t access = op->access;
+		uint8_t access = op->access;
 		switch(access) {
 			default:
 				break;