diff --git a/input/kinetics/families/H_Abstraction/rules.py b/input/kinetics/families/H_Abstraction/rules.py
index d964c510db..042cc7d7d8 100644
--- a/input/kinetics/families/H_Abstraction/rules.py
+++ b/input/kinetics/families/H_Abstraction/rules.py
@@ -2035,7 +2035,7 @@
         A = (2.57e+06, 'cm^3/(mol*s)'),
         n = 1.9,
         alpha = 0,
-        E0 = (1.45, 'kcal/mol'),
+        E0 = (-1.45, 'kcal/mol'),
         Tmin = (298, 'K'),
         Tmax = (1150, 'K'),
     ),