diff --git a/tests/31plugin.tests b/tests/31plugin.tests
index 4f17e1339..a457e622e 100644
--- a/tests/31plugin.tests
+++ b/tests/31plugin.tests
@@ -27,6 +27,8 @@ return: 0
 END
 
 TEST "C plugin test, nested" plugin_examplepluginc_nested <<END
+out: config path is:  ./
+out: plugin path is: .libs
 out: Hallo Welt!
 out: Hello World!
 out: Bye World!
diff --git a/tests/lumiera/example_plugin.c b/tests/lumiera/example_plugin.c
index 3c71dc8dd..a398819a6 100644
--- a/tests/lumiera/example_plugin.c
+++ b/tests/lumiera/example_plugin.c
@@ -2,6 +2,7 @@
 
 #include "hello_interface.h"
 #include "lumiera/interfacedescriptor.h"
+#include "lumiera/config_interface.h"
 
 LUMIERA_PLUGIN_INTERFACEHANDLE;
 
@@ -49,12 +50,22 @@ void yeahbabe (void)
   LUMIERA_INTERFACE_HANDLE (lumieraorg_testhello, 0) english =
     LUMIERA_INTERFACE_OPEN  (lumieraorg_testhello, 0, 0, lumieraorg_hello_english);
 
+  LUMIERA_INTERFACE_HANDLE (lumieraorg_configuration, 0) config =
+    LUMIERA_INTERFACE_OPEN  (lumieraorg_configuration, 0, 0, lumieraorg_configuration);
+
+  const char* path;
+  if (config->wordlist_get ("config.path", &path))
+    printf ("config path is: %s\n", path);
+  if (config->wordlist_get ("plugin.path", &path))
+    printf ("plugin path is: %s\n", path);
+
+  LUMIERA_INTERFACE_CLOSE (config);
+
   german->hello ();
   english->hello ();
   english->goodbye ("World!");
   german->goodbye ("Welt!");
 
-
   LUMIERA_INTERFACE_CLOSE (german);
   LUMIERA_INTERFACE_CLOSE (english);
 }
diff --git a/tests/lumiera/test-interfaces.c b/tests/lumiera/test-interfaces.c
index e2dcafae2..ee42bb9ec 100644
--- a/tests/lumiera/test-interfaces.c
+++ b/tests/lumiera/test-interfaces.c
@@ -23,6 +23,7 @@
 #include "lumiera/interfaceregistry.h"
 #include "lumiera/interfacedescriptor.h"
 #include "lumiera/config.h"
+#include "lumiera/config_interface.h"
 
 #include "tests/test.h"
 #include "tests/lumiera/hello_interface.h"
@@ -524,6 +525,7 @@ TEST ("plugin_examplepluginc_nested")
   lumiera_config_init ("./");
   lumiera_interfaceregistry_init ();
   lumiera_plugin_discover (lumiera_plugin_load, lumiera_plugin_register);
+  lumiera_config_interface_init ();
 
   LUMIERA_INTERFACE_HANDLE(lumieraorg_testtest, 0) test =
     LUMIERA_INTERFACE_OPEN (lumieraorg_testtest, 0, 0, lumieraorg_test_both);
@@ -532,6 +534,7 @@ TEST ("plugin_examplepluginc_nested")
 
   LUMIERA_INTERFACE_CLOSE (test);
 
+  lumiera_config_interface_destroy ();
   lumiera_interfaceregistry_destroy ();
   lumiera_config_destroy ();
 }