diff --git a/tests/regress/x86_gdt.py b/tests/regress/x86_gdt.py
index 3565a74c..5f4234a4 100755
--- a/tests/regress/x86_gdt.py
+++ b/tests/regress/x86_gdt.py
@@ -88,7 +88,7 @@ class GdtRead(regress.RegressTest):
 
         uc.emu_start(CODE_ADDR, CODE_ADDR+len(CODE))
 
-        self.assertEqual(uc.read_reg(UC_X86_REG_ECX), 0x41414141)
+        self.assertEqual(uc.reg_read(UC_X86_REG_ECX), 0x41414141)
 
 if __name__ == '__main__':
-    regress.main()
\ No newline at end of file
+    regress.main()