diff --git a/.github/workflows/typecheck.yml b/.github/workflows/typecheck.yml
index 5294c4f..61b987f 100644
--- a/.github/workflows/typecheck.yml
+++ b/.github/workflows/typecheck.yml
@@ -28,4 +28,4 @@ jobs:
         python -m pip install --upgrade pip
         pip install tox
     - name: Type check with mypy (through tox)
-      run: tox -e type_check
+      run: tox -e type-check
diff --git a/tox.ini b/tox.ini
index 397d767..e57cfaf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -3,7 +3,7 @@ envlist =
     erase
     py{38,39,310,311,312}
     lint
-    type_check
+    type-check
     format
     report
 minversion = 3.8.0
@@ -30,7 +30,7 @@ deps =
     flake8
 commands = flake8 .
 
-[testenv:type_check]
+[testenv:type-check]
 description = Type check with mypy
 skip_install = true
 deps =