diff --git a/CHANGES/632.bugfix b/CHANGES/632.bugfix
new file mode 100644
index 000000000..709dd3935
--- /dev/null
+++ b/CHANGES/632.bugfix
@@ -0,0 +1 @@
+Fixed a bug preventing the synchronization of repos referencing a single package from multiple package indices.
diff --git a/pulp_deb/app/models/repository.py b/pulp_deb/app/models/repository.py
index 44e240a29..1e2550449 100644
--- a/pulp_deb/app/models/repository.py
+++ b/pulp_deb/app/models/repository.py
@@ -1,6 +1,6 @@
 from pulpcore.plugin.models import Repository
 
-from pulpcore.plugin.repo_version_utils import remove_duplicates, validate_repo_version
+from pulpcore.plugin.repo_version_utils import remove_duplicates, validate_version_paths
 
 from pulp_deb.app.models import (
     AptRemote,
@@ -67,7 +67,7 @@ def finalize_new_version(self, new_version):
         from pulp_deb.app.tasks.exceptions import DuplicateDistributionException
 
         remove_duplicates(new_version)
-        validate_repo_version(new_version)
+        validate_version_paths(new_version)
         releases = new_version.get_content(Release.objects.all())
         distributions = []
         for release in releases: