diff --git a/pyopencl/cffi_cl.py b/pyopencl/cffi_cl.py
index e5a724ba0bfa88df31f3ed5fd307e7a200cb7852..1d8b4d7f124ff1614bf2e211f6f037d6ac0e126d 100644
--- a/pyopencl/cffi_cl.py
+++ b/pyopencl/cffi_cl.py
@@ -843,7 +843,7 @@ if _PYPY:
             raise LogicError("PyOpencl on PyPy only accepts numpy arrays "
                              "and scalars arguments", status_code.INVALID_VALUE)
 
-elif sys.version_info >= (2, 7):
+elif sys.version_info >= (2, 7, 4):
     import ctypes
     try:
         # Python 2.6 doesn't have this.