diff --git a/src/libostree/ostree-gpg-verifier.c b/src/libostree/ostree-gpg-verifier.c
index 660a5b7c..17655c1a 100644
--- a/src/libostree/ostree-gpg-verifier.c
+++ b/src/libostree/ostree-gpg-verifier.c
@@ -272,6 +272,9 @@ _ostree_gpg_verifier_add_keyring_file (OstreeGpgVerifier  *self,
 {
   g_return_if_fail (G_IS_FILE (path));
 
+  g_autofree gchar *path_str = g_file_get_path (path);
+  g_debug ("Adding GPG keyring file %s to verifier", path_str);
+
   self->keyrings = g_list_append (self->keyrings, g_object_ref (path));
 }
 
@@ -280,8 +283,11 @@ _ostree_gpg_verifier_add_keyring_file (OstreeGpgVerifier  *self,
  */
 void
 _ostree_gpg_verifier_add_keyring_data (OstreeGpgVerifier  *self,
-                                       GBytes             *keyring)
+                                       GBytes             *keyring,
+                                       const char         *data_source)
 {
+  g_debug ("Adding GPG keyring data from %s to verifier", data_source);
+
   g_ptr_array_add (self->keyring_data, g_bytes_ref (keyring));
 }
 
@@ -289,6 +295,8 @@ void
 _ostree_gpg_verifier_add_key_ascii_file (OstreeGpgVerifier *self,
                                          const char        *path)
 {
+  g_debug ("Adding GPG key ASCII file %s to verifier", path);
+
   if (!self->key_ascii_files)
     self->key_ascii_files = g_ptr_array_new_with_free_func (g_free);
   g_ptr_array_add (self->key_ascii_files, g_strdup (path));
@@ -319,6 +327,8 @@ _ostree_gpg_verifier_add_keyring_dir_at (OstreeGpgVerifier   *self,
                                     &dfd_iter, error))
     return FALSE;
 
+  g_debug ("Adding GPG keyring dir %s to verifier", path);
+
   while (TRUE)
     {
       struct dirent *dent;
diff --git a/src/libostree/ostree-gpg-verifier.h b/src/libostree/ostree-gpg-verifier.h
index d0f02dbd..09c01b6c 100644
--- a/src/libostree/ostree-gpg-verifier.h
+++ b/src/libostree/ostree-gpg-verifier.h
@@ -65,7 +65,8 @@ gboolean      _ostree_gpg_verifier_add_global_keyring_dir (OstreeGpgVerifier  *s
                                                            GError            **error);
 
 void _ostree_gpg_verifier_add_keyring_data (OstreeGpgVerifier *self,
-                                            GBytes            *data);
+                                            GBytes            *data,
+                                            const char        *data_source);
 void _ostree_gpg_verifier_add_keyring_file (OstreeGpgVerifier *self,
                                             GFile             *path);
 
diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index 1e336e90..a3cfd6f5 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -4328,7 +4328,7 @@ _ostree_repo_gpg_verify_data_internal (OstreeRepo    *self,
 
       if (keyring_data != NULL)
         {
-          _ostree_gpg_verifier_add_keyring_data (verifier, keyring_data);
+          _ostree_gpg_verifier_add_keyring_data (verifier, keyring_data, remote->keyring);
           add_global_keyring_dir = FALSE;
         }