diff --git a/tox.ini b/tox.ini
index 195ecafbd..c94c45db3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -211,20 +211,23 @@ install_command =
 setenv =
   {[dists]setenv}
 commands =
-  {envpython} -m \
+  sh -c "\
+    {envpython} -m \
     delocate.cmd.delocate_listdeps \
     --all \
-    {posargs:"{env:PEP517_OUT_DIR}"/*.whl}
+    {posargs:'{env:PEP517_OUT_DIR}'/*.whl}"
 
-  {envpython} -m \
+  sh -c "\
+    {envpython} -m \
     delocate.cmd.delocate_wheel \
     -v \
-    {posargs:"{env:PEP517_OUT_DIR}"/*.whl}
+    {posargs:'{env:PEP517_OUT_DIR}'/*.whl}"
 
-  {envpython} -m \
+  sh -c "\
+    {envpython} -m \
     delocate.cmd.delocate_listdeps \
     --all \
-    {posargs:"{env:PEP517_OUT_DIR}"/*.whl}
+    {posargs:'{env:PEP517_OUT_DIR}'/*.whl}"
 
 
 [testenv:metadata-validation]