diff --git a/sncosmo/salt2utils.pyx b/sncosmo/salt2utils.pyx
index ff95327..e6316a5 100644
--- a/sncosmo/salt2utils.pyx
+++ b/sncosmo/salt2utils.pyx
@@ -482,6 +482,6 @@ cdef class SALT2ColorLaw(object):
         # reconstruct input wavelengths
         wave_lo = self.l_lo * SALT2CL_V_MINUS_B + SALT2CL_B
         wave_hi = self.l_hi * SALT2CL_V_MINUS_B + SALT2CL_B
-        coeffs = [self.coeffs[i+1] for i in range(self.ncoeffs)]
+        coeffs = [self.coeffs[i+1] for i in range(self.ncoeffs - 1)]
 
         return (wave_lo, wave_hi), coeffs
diff --git a/sncosmo/tests/test_salt2utils.py b/sncosmo/tests/test_salt2utils.py
index 2204df6..41f7e4b 100644
--- a/sncosmo/tests/test_salt2utils.py
+++ b/sncosmo/tests/test_salt2utils.py
@@ -109,7 +109,7 @@ def colorlaw_python(wave):
 
 def test_salt2colorlaw_pickle():
 
-    colorlaw_coeffs = [-0.504294, 0.787691, -0.461715, 0.0815619]
+    colorlaw_coeffs = [-0.504294, 0.787691, -0.461715, 0.0815619, 0.0, 0.0]
     colorlaw_range = (2800., 7000.)
     colorlaw = SALT2ColorLaw(colorlaw_range, colorlaw_coeffs)