diff --git a/src/data/charmm_s/charmm.par b/src/data/charmm_s/charmm.par
index c76a2910a6..98320f4f14 100644
--- a/src/data/charmm_s/charmm.par
+++ b/src/data/charmm_s/charmm.par
@@ -119,7 +119,7 @@ DUM     0.00000 0.00000E+00 0.00000E+00                            1 1111111111
               0 0.00000E+00 0.00000E+00
 HE      4.00260 8.89937E-02 1.48000E-01                            1 1111111111
               2 8.89937E-02 1.48000E-01
-NE     14.00700 3.59824E-01 1.53000E-01                            1 1111111111
+NE     20.17970 3.59824E-01 1.53000E-01                            1 1111111111
               7 0.00000E+00 0.00000E+00
 Cross
 Bonds