diff --git a/unittest/force-styles/test_angle_style.cpp b/unittest/force-styles/test_angle_style.cpp
index 0a5a7af238..026dddc5d8 100644
--- a/unittest/force-styles/test_angle_style.cpp
+++ b/unittest/force-styles/test_angle_style.cpp
@@ -236,7 +236,7 @@ void generate_yaml_file(const char *outfile, const TestConfig &config)
     YamlWriter writer(outfile);
 
     // lammps_version
-    writer.emit("lammps_version", lmp->universe->version);
+    writer.emit("lammps_version", lmp->version);
 
     // date_generated
     std::time_t now = time(NULL);
diff --git a/unittest/force-styles/test_bond_style.cpp b/unittest/force-styles/test_bond_style.cpp
index 7faa0394d7..269ea5beae 100644
--- a/unittest/force-styles/test_bond_style.cpp
+++ b/unittest/force-styles/test_bond_style.cpp
@@ -236,7 +236,7 @@ void generate_yaml_file(const char *outfile, const TestConfig &config)
     YamlWriter writer(outfile);
 
     // lammps_version
-    writer.emit("lammps_version", lmp->universe->version);
+    writer.emit("lammps_version", lmp->version);
 
     // date_generated
     std::time_t now = time(NULL);
diff --git a/unittest/force-styles/test_fix_timestep.cpp b/unittest/force-styles/test_fix_timestep.cpp
index e5920199f9..e6d664b857 100644
--- a/unittest/force-styles/test_fix_timestep.cpp
+++ b/unittest/force-styles/test_fix_timestep.cpp
@@ -194,7 +194,7 @@ void generate_yaml_file(const char *outfile, const TestConfig &config)
     YamlWriter writer(outfile);
 
     // lammps_version
-    writer.emit("lammps_version", lmp->universe->version);
+    writer.emit("lammps_version", lmp->version);
 
     // date_generated
     std::time_t now = time(NULL);
diff --git a/unittest/force-styles/test_pair_style.cpp b/unittest/force-styles/test_pair_style.cpp
index 707568dcb7..acd7c16c6c 100644
--- a/unittest/force-styles/test_pair_style.cpp
+++ b/unittest/force-styles/test_pair_style.cpp
@@ -239,7 +239,7 @@ void generate_yaml_file(const char *outfile, const TestConfig &config)
     YamlWriter writer(outfile);
 
     // lammps_version
-    writer.emit("lammps_version", lmp->universe->version);
+    writer.emit("lammps_version", lmp->version);
 
     // date_generated
     std::time_t now = time(NULL);