diff --git a/src/main/java/org/asamk/signal/dbus/DbusSignalImpl.java b/src/main/java/org/asamk/signal/dbus/DbusSignalImpl.java
index 2cf3c813..ae7fc0de 100644
--- a/src/main/java/org/asamk/signal/dbus/DbusSignalImpl.java
+++ b/src/main/java/org/asamk/signal/dbus/DbusSignalImpl.java
@@ -78,6 +78,7 @@ public class DbusSignalImpl implements Signal {
 
     public void close() {
         unExportDevices();
+        unExportGroups();
     }
 
     @Override