diff --git a/newsfragments/665.bugfix b/newsfragments/665.bugfix
new file mode 100644
index 000000000..a0a44e441
--- /dev/null
+++ b/newsfragments/665.bugfix
@@ -0,0 +1 @@
+Importing the (deprecated and removed) ``dxtbx.datablock`` module failed to display warning properly.
diff --git a/src/dxtbx/datablock.py b/src/dxtbx/datablock.py
index 436f52ea3..ea8d8fc3e 100644
--- a/src/dxtbx/datablock.py
+++ b/src/dxtbx/datablock.py
@@ -2,7 +2,7 @@
 
 import warnings
 
-from dxtbx.experiment_list import (
+from dxtbx.model.experiment_list import (
     BeamComparison,
     DetectorComparison,
     FormatChecker,