diff --git a/unittest/force-styles/tests/bond-fene.yaml b/unittest/force-styles/tests/bond-fene.yaml
index e5077eda0e..b9430a75fc 100644
--- a/unittest/force-styles/tests/bond-fene.yaml
+++ b/unittest/force-styles/tests/bond-fene.yaml
@@ -7,7 +7,8 @@ prerequisites: ! |
   atom full
   bond fene
 pre_commands: ! ""
-post_commands: ! ""
+post_commands: ! |
+ special_bonds lj/coul 0.0 1.0 1.0
 input_file: in.fourmol
 bond_style: fene
 bond_coeff: ! |
diff --git a/unittest/force-styles/tests/bond-fene_expand.yaml b/unittest/force-styles/tests/bond-fene_expand.yaml
index 250f89af15..2be87fc3d3 100644
--- a/unittest/force-styles/tests/bond-fene_expand.yaml
+++ b/unittest/force-styles/tests/bond-fene_expand.yaml
@@ -7,7 +7,8 @@ prerequisites: ! |
   atom full
   bond fene/expand
 pre_commands: ! ""
-post_commands: ! ""
+post_commands: ! |
+ special_bonds lj/coul 0.0 1.0 1.0
 input_file: in.fourmol
 bond_style: fene/expand
 bond_coeff: ! |
diff --git a/unittest/force-styles/tests/bond-fene_nm.yaml b/unittest/force-styles/tests/bond-fene_nm.yaml
index 892d26c7aa..77f79fe780 100644
--- a/unittest/force-styles/tests/bond-fene_nm.yaml
+++ b/unittest/force-styles/tests/bond-fene_nm.yaml
@@ -7,7 +7,8 @@ prerequisites: ! |
   atom full
   bond fene/nm
 pre_commands: ! ""
-post_commands: ! ""
+post_commands: ! |
+ special_bonds lj/coul 0.0 1.0 1.0
 input_file: in.fourmol
 bond_style: fene/nm
 bond_coeff: ! |