diff --git a/morphocluster/__init__.py b/morphocluster/__init__.py
index cbbedfc..9a7ec1a 100644
--- a/morphocluster/__init__.py
+++ b/morphocluster/__init__.py
@@ -46,6 +46,7 @@ def create_app(test_config: Optional[Mapping] = None):
     faulthandler.enable()
 
     app = Flask(__name__, instance_relative_config=True)
+    print("MorphoCluster Flask application is being created")
 
     # Set environment variables
     if test_config is not None: