diff --git a/stride/problem/acquisitions.py b/stride/problem/acquisitions.py
index 972a402..13a0180 100644
--- a/stride/problem/acquisitions.py
+++ b/stride/problem/acquisitions.py
@@ -1177,6 +1177,8 @@ def __get_desc__(self, **kwargs):
         shot_ids = kwargs.pop('shot_ids', None)
 
         if legacy:
+            mosaic.logger().warn('Loading legacy Acquisitions file...')
+
             description = {
                 'num_shots': self.num_shots,
                 'shots': [],
diff --git a/stride/problem/geometry.py b/stride/problem/geometry.py
index f631c80..4bf0aca 100644
--- a/stride/problem/geometry.py
+++ b/stride/problem/geometry.py
@@ -403,6 +403,8 @@ def __get_desc__(self, **kwargs):
         legacy = kwargs.pop('legacy', False)
 
         if legacy:
+            mosaic.logger().warn('Loading legacy Geometry file...')
+
             description = {
                 'num_locations': self.num_locations,
                 'locations': [],