diff --git a/unittest/force-styles/tests/mol-pair-coul_long.yaml b/unittest/force-styles/tests/mol-pair-coul_long.yaml
index 61e038af54..5746877cc3 100644
--- a/unittest/force-styles/tests/mol-pair-coul_long.yaml
+++ b/unittest/force-styles/tests/mol-pair-coul_long.yaml
@@ -1,7 +1,7 @@
 ---
 lammps_version: 10 Feb 2021
 date_generated: Fri Feb 26 23:08:42 2021
-epsilon: 1.5e-13
+epsilon: 2.0e-13
 prerequisites: ! |
   atom full
   pair coul/long