diff --git a/tests/test_int1e_grids.py b/tests/test_int1e_grids.py
index 6c8c89f..aef5fa8 100644
--- a/tests/test_int1e_grids.py
+++ b/tests/test_int1e_grids.py
@@ -13,8 +13,8 @@
 import ctypes
 import numpy
 
-_cint = ctypes.CDLL(os.path.abspath(os.path.join(__file__, '../../build/libcint.so')),
-                    mode=os.RTLD_GLOBAL|os.RTLD_NOW)
+_cint = ctypes.CDLL(os.path.abspath(os.path.join(__file__, '../../build/libcint.so')))
+print('int1egrids a')
 
 PTR_EXPCUTOFF      = 0
 PTR_COMMON_ORIG    = 1
@@ -145,6 +145,7 @@
 _cint.CINTlen_spinor.restype = ctypes.c_int
 
 
+print('int1egrids b')
 def test_int1e_grids_sph1(name, vref, dim, place):
     intor = getattr(_cint, name)
     intor.restype = ctypes.c_void_p