diff --git a/Source/CPM3/DISKDEFS b/Source/CPM3/diskdefs
similarity index 100%
rename from Source/CPM3/DISKDEFS
rename to Source/CPM3/diskdefs
diff --git a/Source/ZPM3/DISKDEFS b/Source/ZPM3/diskdefs
similarity index 100%
rename from Source/ZPM3/DISKDEFS
rename to Source/ZPM3/diskdefs