diff --git a/pyproject.toml b/pyproject.toml
index 5fdc5d37..4a6e906f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "flask-imp"
-version = "5.3.0"
+version = "5.3.1"
 description = 'A Flask auto importer that allows your Flask apps to grow big.'
 authors = [{ name = "David Carmichael", email = "david@uilix.com" }]
 readme = "README.md"
diff --git a/src/flask_imp/config/imp_config.py b/src/flask_imp/config/imp_config.py
index c643e23e..796ffc95 100644
--- a/src/flask_imp/config/imp_config.py
+++ b/src/flask_imp/config/imp_config.py
@@ -32,3 +32,5 @@ def __init__(
 
         if database_binds:
             self.IMP_DATABASE_BINDS = database_binds
+        else:
+            self.IMP_DATABASE_BINDS = []