diff --git a/compiler/tests/23_lib_sram_test.py b/compiler/tests/23_lib_sram_test.py
index 7e869b7f..f9c3fc40 100644
--- a/compiler/tests/23_lib_sram_test.py
+++ b/compiler/tests/23_lib_sram_test.py
@@ -42,8 +42,7 @@ class lib_test(unittest.TestCase):
         
         # let's diff the result with a golden model
         golden = "{0}/golden/{1}".format(os.path.dirname(os.path.realpath(__file__)),filename)
-        # Randomly decided 10% difference between spice simulators is ok.
-        self.assertEqual(isapproxdiff(libname,golden,0.10),True)
+        self.assertEqual(isapproxdiff(libname,golden,0.25),True)
 
         OPTS.analytical_delay = True
         OPTS.trim_netlist = True