diff --git a/pyproject.toml b/pyproject.toml
index 0063230f..e9865805 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -122,23 +122,23 @@ deps = [
 ]
 commands_pre = [
     # create 64 MByte disk image
-    ["dd", "if=/dev/zero", "of=/tmp/vfat8.img", "bs=1M", "count=64"],
+    ["dd", "if=/dev/zero", "of=/tmp/vfat-utf8.img", "bs=1M", "count=64"],
     # create file system
-    ["mkfs.vfat", "/tmp/vfat8.img", "-n", "VFAT"],
+    ["mkfs.vfat", "/tmp/vfat-utf8.img", "-n", "VFAT"],
     # unconditionally create mount point
-    ["mkdir", "-p", "/tmp/vfat8"],
+    ["mkdir", "-p", "/tmp/vfat-utf8"],
     # mount image
-    ["sudo", "/usr/bin/mount", "-o", "loop,umask=000,utf8", "/tmp/vfat8.img", "/tmp/vfat8"],
+    ["sudo", "/usr/bin/mount", "-o", "loop,umask=000,utf8", "/tmp/vfat-utf8.img", "/tmp/vfat-utf8"],
 ]
-setenv = { TEMP = "/tmp/vfat8" }
+setenv = { TEMP = "/tmp/vfat-utf8" }
 commands = [["pytest", "-r", "s", "."]]
 commands_post = [
     # umount image
-    ["sudo", "/usr/bin/umount", "-d", "/tmp/vfat8"],
+    ["sudo", "/usr/bin/umount", "-d", "/tmp/vfat-utf8"],
     # remove mount point
-    ["rmdir", "/tmp/vfat8"],
+    ["rmdir", "/tmp/vfat-utf8"],
     # remove image
-    ["rm", "/tmp/vfat8.img"]
+    ["rm", "/tmp/vfat-utf8.img"]
 ]
 
 [tool.tox.env.py_filesystem_hfsplus]