diff --git a/src/tox.ini b/src/tox.ini
index 4e638bf66cf..27c2ef5bca6 100644
--- a/src/tox.ini
+++ b/src/tox.ini
@@ -243,6 +243,7 @@ commands = cython-lint --no-pycodestyle {posargs:{toxinidir}/sage/}
 description =
     check against Python style conventions
 deps = ruff
+passenv = RUFF_OUTPUT_FORMAT
 commands = ruff {posargs:{toxinidir}/sage/}
 
 [testenv:ruff-minimal]
diff --git a/tox.ini b/tox.ini
index cb69bbb93ea..ab30f519a29 100644
--- a/tox.ini
+++ b/tox.ini
@@ -1090,6 +1090,8 @@ commands = tox -c {toxinidir}/src/tox.ini -e {envname} -- {posargs:src/sage/}
 description =
     check against Sage's minimal style conventions
 passenv  = {[sage_src]passenv}
+           # https://github.com/ChartBoost/ruff-action/issues/7#issuecomment-1887780308
+           RUFF_OUTPUT_FORMAT
 envdir   = {[sage_src]envdir}
 allowlist_externals = {[sage_src]allowlist_externals}
 commands = tox -c {toxinidir}/src/tox.ini -e {envname} -- {posargs:src/sage/}