diff --git a/common/lib/calc/calc/tests/test_preview.py b/common/lib/calc/calc/tests/test_preview.py
index 0008cdda47..7db307a742 100644
--- a/common/lib/calc/calc/tests/test_preview.py
+++ b/common/lib/calc/calc/tests/test_preview.py
@@ -4,7 +4,7 @@ Unit tests for preview.py
 """
 
 import unittest
-import preview
+from calc import preview
 import pyparsing
 
 
diff --git a/common/lib/capa/capa/inputtypes.py b/common/lib/capa/capa/inputtypes.py
index 9defd2c5e6..d27893d44d 100644
--- a/common/lib/capa/capa/inputtypes.py
+++ b/common/lib/capa/capa/inputtypes.py
@@ -49,7 +49,7 @@ import pyparsing
 
 from .registry import TagRegistry
 from chem import chemcalc
-from preview import latex_preview
+from calc.preview import latex_preview
 import xqueue_interface
 from datetime import datetime