diff --git a/Makefile b/Makefile
index 89ff453ef..1a1e996d1 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,8 @@ reformat:
 	$(PYTHON) -m black `git ls-files "*.py"`
 stylecheck:
 	$(PYTHON) -m black --check `git ls-files "*.py"`
+stylediff:
+	$(PYTHON) -m black --check --diff `git ls-files "*.py"`
 
 # Translations
 gettext:
diff --git a/make.bat b/make.bat
index 5f880d235..a02c1391e 100644
--- a/make.bat
+++ b/make.bat
@@ -21,6 +21,10 @@ exit /B %ERRORLEVEL%
 black --check !PYFILES!
 exit /B %ERRORLEVEL%
 
+:stylediff
+black --check --diff !PYFILES!
+exit /B %ERRORLEVEL%
+
 :newenv
 py -3.8 -m venv --clear .venv
 .\.venv\Scripts\python -m pip install -U pip setuptools
diff --git a/tox.ini b/tox.ini
index d532c4727..4ceecff4c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -65,4 +65,4 @@ setenv =
 basepython = python3.8
 extras = style
 commands =
-    make stylecheck
+    make stylediff