diff --git a/serialization/src/TorchForceProxy.cpp b/serialization/src/TorchForceProxy.cpp
index cb3a3af9..1d41a396 100644
--- a/serialization/src/TorchForceProxy.cpp
+++ b/serialization/src/TorchForceProxy.cpp
@@ -45,11 +45,26 @@ void TorchForceProxy::serialize(const void* object, SerializationNode& node) con
     node.setIntProperty("version", 1);
     const TorchForce& force = *reinterpret_cast<const TorchForce*>(object);
     node.setStringProperty("file", force.getFile());
+    node.setIntProperty("forceGroup", force.getForceGroup());
+    node.setBoolProperty("usesPeriodic", force.usesPeriodicBoundaryConditions());
+    SerializationNode& globalParams = node.createChildNode("GlobalParameters");
+    for (int i = 0; i < force.getNumGlobalParameters(); i++) {
+        globalParams.createChildNode("Parameter").setStringProperty("name", force.getGlobalParameterName(i)).setDoubleProperty("default", force.getGlobalParameterDefaultValue(i));
+    }
 }
 
 void* TorchForceProxy::deserialize(const SerializationNode& node) const {
     if (node.getIntProperty("version") != 1)
         throw OpenMMException("Unsupported version number");
     TorchForce* force = new TorchForce(node.getStringProperty("file"));
+    if (node.hasProperty("forceGroup"))
+        force->setForceGroup(node.getIntProperty("forceGroup", 0));
+    if (node.hasProperty("usesPeriodic"))
+        force->setUsesPeriodicBoundaryConditions(node.getBoolProperty("usesPeriodic"));
+    for (const SerializationNode& child : node.getChildren()) {
+        if (child.getName() == "GlobalParameters")
+            for (auto& parameter : child.getChildren())
+                force->addGlobalParameter(parameter.getStringProperty("name"), parameter.getDoubleProperty("default"));
+    }
     return force;
 }
diff --git a/serialization/tests/TestSerializeTorchForce.cpp b/serialization/tests/TestSerializeTorchForce.cpp
index 4d4cc0a3..3a58019f 100644
--- a/serialization/tests/TestSerializeTorchForce.cpp
+++ b/serialization/tests/TestSerializeTorchForce.cpp
@@ -46,6 +46,10 @@ void testSerialization() {
     // Create a Force.
 
     TorchForce force("module.pt");
+    force.setForceGroup(3);
+    force.addGlobalParameter("x", 1.3);
+    force.addGlobalParameter("y", 2.221);
+    force.setUsesPeriodicBoundaryConditions(true);
 
     // Serialize and then deserialize it.
 
@@ -57,6 +61,13 @@ void testSerialization() {
 
     TorchForce& force2 = *copy;
     ASSERT_EQUAL(force.getFile(), force2.getFile());
+    ASSERT_EQUAL(force.getForceGroup(), force2.getForceGroup());
+    ASSERT_EQUAL(force.getNumGlobalParameters(), force2.getNumGlobalParameters());
+    for (int i = 0; i < force.getNumGlobalParameters(); i++) {
+        ASSERT_EQUAL(force.getGlobalParameterName(i), force2.getGlobalParameterName(i));
+        ASSERT_EQUAL(force.getGlobalParameterDefaultValue(i), force2.getGlobalParameterDefaultValue(i));
+    }
+    ASSERT_EQUAL(force.usesPeriodicBoundaryConditions(), force2.usesPeriodicBoundaryConditions());
 }
 
 int main() {