diff --git a/src/libostree/ostree-gpg-verify-result.h b/src/libostree/ostree-gpg-verify-result.h
index 6f51ce8a..8f243fcd 100644
--- a/src/libostree/ostree-gpg-verify-result.h
+++ b/src/libostree/ostree-gpg-verify-result.h
@@ -134,7 +134,7 @@ GVariant * ostree_gpg_verify_result_get_all (OstreeGpgVerifyResult *result,
  * for future variations.
  **/
 typedef enum {
-  OSTREE_GPG_SIGNATURE_FORMAT_DEFAULT = 0
+  OSTREE_GPG_SIGNATURE_FORMAT_DEFAULT = (0 << 0),
 } OstreeGpgSignatureFormatFlags;
 
 _OSTREE_PUBLIC
diff --git a/src/libostree/ostree-repo-private.h b/src/libostree/ostree-repo-private.h
index a1c7b7b4..a744c069 100644
--- a/src/libostree/ostree-repo-private.h
+++ b/src/libostree/ostree-repo-private.h
@@ -374,9 +374,9 @@ _ostree_repo_verify_commit_internal (OstreeRepo    *self,
 #endif /* OSTREE_DISABLE_GPGME */
 
 typedef enum {
-  _OSTREE_REPO_IMPORT_FLAGS_NONE,
-  _OSTREE_REPO_IMPORT_FLAGS_TRUSTED,
-  _OSTREE_REPO_IMPORT_FLAGS_VERIFY_BAREUSERONLY,
+  _OSTREE_REPO_IMPORT_FLAGS_NONE = 0,
+  _OSTREE_REPO_IMPORT_FLAGS_TRUSTED = (1 << 0),
+  _OSTREE_REPO_IMPORT_FLAGS_VERIFY_BAREUSERONLY = (1 << 1),
 } OstreeRepoImportFlags;
 
 gboolean
diff --git a/src/libostree/ostree-repo.h b/src/libostree/ostree-repo.h
index 1027ac77..e28af29c 100644
--- a/src/libostree/ostree-repo.h
+++ b/src/libostree/ostree-repo.h
@@ -1174,9 +1174,9 @@ void ostree_repo_commit_traverse_iter_cleanup (void *p);
  * @OSTREE_REPO_PRUNE_FLAGS_REFS_ONLY: Do not traverse individual commit objects, only follow refs
  */
 typedef enum {
-  OSTREE_REPO_PRUNE_FLAGS_NONE,
-  OSTREE_REPO_PRUNE_FLAGS_NO_PRUNE,
-  OSTREE_REPO_PRUNE_FLAGS_REFS_ONLY
+  OSTREE_REPO_PRUNE_FLAGS_NONE = 0,
+  OSTREE_REPO_PRUNE_FLAGS_NO_PRUNE = (1 << 0),
+  OSTREE_REPO_PRUNE_FLAGS_REFS_ONLY = (1 << 1),
 } OstreeRepoPruneFlags;
 
 _OSTREE_PUBLIC