diff --git a/src/libostree/ostree-repo-traverse.c b/src/libostree/ostree-repo-traverse.c
index 758c2331..55b91742 100644
--- a/src/libostree/ostree-repo-traverse.c
+++ b/src/libostree/ostree-repo-traverse.c
@@ -244,7 +244,7 @@ ostree_repo_traverse_commit (OstreeRepo      *repo,
                              GCancellable    *cancellable,
                              GError         **error)
 {
-  gboolean ret;
+  gboolean ret = FALSE;
   gs_unref_hashtable GHashTable *ret_reachable =
     ostree_repo_traverse_new_reachable ();
 
diff --git a/src/libostree/ostree-repo.c b/src/libostree/ostree-repo.c
index 45d0fbcb..56766649 100644
--- a/src/libostree/ostree-repo.c
+++ b/src/libostree/ostree-repo.c
@@ -1888,7 +1888,7 @@ ostree_repo_sign_commit (OstreeRepo     *self,
   gs_unref_object GOutputStream *tmp_signature_output = NULL;
   gs_unref_variant GVariant *commit_variant = NULL;
   gs_unref_bytes GBytes *signature_bytes = NULL;
-  gpgme_ctx_t context;
+  gpgme_ctx_t context = NULL;
   gpgme_engine_info_t info;
   gpgme_error_t err;
   gpgme_key_t key = NULL;