diff --git a/moo/moocpp/gobjptr.h b/moo/moocpp/gobjptr.h
index 1df18f72..402ff487 100644
--- a/moo/moocpp/gobjptr.h
+++ b/moo/moocpp/gobjptr.h
@@ -86,7 +86,7 @@ public:
         return ObjectPtr(obj, ObjectMemPolicy::CopyReference);
     }
 
-    ObjectPtr& operator=(nullptr_t)
+    ObjectPtr& operator=(std::nullptr_t)
     {
         reset();
         return *this;
@@ -127,7 +127,7 @@ public:
         return m_p == nullptr;
     }
 
-    bool operator==(const nullptr_t&) const
+    bool operator==(const std::nullptr_t&) const
     {
         return m_p == nullptr;
     }
diff --git a/moo/moocpp/gstr.cpp b/moo/moocpp/gstr.cpp
index 3affc841..df4f436f 100644
--- a/moo/moocpp/gstr.cpp
+++ b/moo/moocpp/gstr.cpp
@@ -20,7 +20,7 @@ gstr::gstr()
 {
 }
 
-gstr::gstr(nullptr_t)
+gstr::gstr(std::nullptr_t)
     : gstr()
 {
 }
@@ -112,7 +112,7 @@ bool gstr::operator==(const char* other) const
     return strcmp(get(), other ? other : "") == 0;
 }
 
-bool gstr::operator==(nullptr_t) const
+bool gstr::operator==(std::nullptr_t) const
 {
     return empty();
 }
diff --git a/moo/moocpp/gstr.h b/moo/moocpp/gstr.h
index 768bbb9d..36f68500 100644
--- a/moo/moocpp/gstr.h
+++ b/moo/moocpp/gstr.h
@@ -30,7 +30,7 @@ class gstr
 {
 public:
     gstr();
-    gstr(nullptr_t);
+    gstr(std::nullptr_t);
     explicit gstr(const char* s);
     gstr(char* s, bool);
     ~gstr();
@@ -52,7 +52,7 @@ public:
 
     bool operator==(const gstr& other) const;
     bool operator==(const char* other) const;
-    bool operator==(nullptr_t) const;
+    bool operator==(std::nullptr_t) const;
     
     template<typename T>
     bool operator!=(const T& other) const
diff --git a/moo/mooedit/mooeditor-tests.cpp b/moo/mooedit/mooeditor-tests.cpp
index 035e8877..c76d0084 100644
--- a/moo/mooedit/mooeditor-tests.cpp
+++ b/moo/mooedit/mooeditor-tests.cpp
@@ -32,7 +32,7 @@ check_contents (const gstr& filename,
     if (!g_file_get_contents (filename.get(), &contents, NULL, &error))
     {
         TEST_FAILED_MSG ("could not load file '%s': %s",
-                         filename, error->message);
+                         filename.get(), error->message);
         g_error_free (error);
         return;
     }
@@ -223,7 +223,7 @@ test_suite_init (G_GNUC_UNUSED gpointer data)
     if (_moo_mkdir_with_parents (test_data.working_dir.get(), &err) != 0)
     {
         g_critical ("could not create directory '%s': %s",
-                    test_data.working_dir,
+                    test_data.working_dir.get(),
                     mgw_strerror (err));
         test_data.working_dir.clear();
         return FALSE;
@@ -242,7 +242,7 @@ test_suite_cleanup (G_GNUC_UNUSED gpointer data)
     if (!_moo_remove_dir (test_data.working_dir.get(), TRUE, &error))
     {
         g_critical ("could not remove directory '%s': %s",
-                    test_data.working_dir, error->message);
+                    test_data.working_dir.get(), error->message);
         g_error_free (error);
         error = NULL;
     }
diff --git a/moo/moopython/moopython-utils.h b/moo/moopython/moopython-utils.h
index 98017b44..9e5673b8 100644
--- a/moo/moopython/moopython-utils.h
+++ b/moo/moopython/moopython-utils.h
@@ -67,7 +67,7 @@ void          moo_python_remove_path        (const char     *dir);
 #define return_Int(v)   return PyInt_FromLong (v)
 
 #ifdef __cplusplus
-const nullptr_t moo_nullptr = nullptr;
+const std::nullptr_t moo_nullptr = nullptr;
 #else
 #define moo_nullptr NULL
 #endif
diff --git a/moo/mooutils/mooutils-fs.cpp b/moo/mooutils/mooutils-fs.cpp
index e2bb7a29..177eb79e 100644
--- a/moo/mooutils/mooutils-fs.cpp
+++ b/moo/mooutils/mooutils-fs.cpp
@@ -1245,8 +1245,10 @@ _moo_glob_match_simple (const char *pattern,
     if ((gl = _moo_glob_new (pattern)))
         result = _moo_glob_match (gl, filename);
 
+#if 0
     if (result && 0)
         _moo_message ("'%s' matched '%s'", filename, pattern);
+#endif
 
     _moo_glob_free (gl);
     return result;