diff --git a/tox.ini b/tox.ini
index 16da8489c..89dd10c4a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,7 +11,7 @@ passenv =
     HOME
 setenv =
     dev: PIP_EXTRA_INDEX_URL = https://pypi.anaconda.org/astropy/simple https://pypi.anaconda.org/liberfa/simple https://pypi.anaconda.org/scientific-python-nightly-wheels/simple
-    visual: MPLFLAGS = -m "mpl_image_compare" --mpl --mpl-generate-summary=html --mpl-results-path={toxinidir}/results --mpl-hash-library={toxinidir}/glue/tests/visual/{envname}.json --mpl-baseline-path=https://raw.githubusercontent.com/glue-viz/glue-core-visual-tests/images/{envname}/
+    visual: MPLFLAGS = -m "mpl_image_compare" --mpl --mpl-generate-summary=html --mpl-results-path={toxinidir}/results --mpl-hash-library={toxinidir}/glue/tests/visual/{envname}.json --mpl-baseline-path=https://raw.githubusercontent.com/glue-viz/glue-core-visual-tests/main/images/{envname}/
 whitelist_externals =
     find
     rm