diff --git a/clients/valleywide/.gitignore b/clients/valleywide/.gitignore
index e6d97af8..2c2ced8c 100644
--- a/clients/valleywide/.gitignore
+++ b/clients/valleywide/.gitignore
@@ -3,6 +3,7 @@
 
 # VM disk images (Darv's dev VM + XP runtime VMs)
 app-modernization/**/*.vdi
+app-modernization/**/*.vhd
 app-modernization/**/*.vhdx
 app-modernization/**/*.vmdk
 app-modernization/**/*.ova