diff --git a/geomagio/processing/matrix.py b/geomagio/processing/affine_matrix.py
similarity index 100%
rename from geomagio/processing/matrix.py
rename to geomagio/processing/affine_matrix.py
diff --git a/setup.py b/setup.py
index 5aac4ca8026920cf3cb02da0adc3f9b175e8107f..0d7801818eb84eaf21ae6c77c8b308409cf748ed 100644
--- a/setup.py
+++ b/setup.py
@@ -25,7 +25,7 @@ setuptools.setup(
     use_pipfile=True,
     entry_points={
         "console_scripts": [
-            "generate-matrix=geomagio.processing.matrix:main",
+            "generate-matrix=geomagio.processing.affine_matrix:main",
             "geomag-metadata=geomagio.metadata.main:main",
             "magproc-prepfiles=geomagio.processing.magproc:main",
             "obsrio-filter=geomagio.processing.obsrio:main",