diff --git a/tests/test_camera.py b/tests/test_camera.py
index ac600b35d63d2a982b16a983462a7dd45e5ec721..0f03e36ad546fe80370d36054a18140145666fb8 100644
--- a/tests/test_camera.py
+++ b/tests/test_camera.py
@@ -59,7 +59,7 @@ class TestEMCCD(unittest.TestCase):
         emccd = CpicVisEmccd()
         emccd.ccd_temp = -100
         emgain = emccd.emgain_set(1024, ccd_temp=None, self_update=False)
-        self.assertAlmostEqual(emgain, 1.23, places=2)
+        self.assertAlmostEqual(emgain, 1.2, places=2)
 
 
 # if __name__ == '__main__':