diff --git a/vcmibuilder b/vcmibuilder
index c3f5b3ef3..08b78ab31 100755
--- a/vcmibuilder
+++ b/vcmibuilder
@@ -254,10 +254,10 @@ fi
 
 if [[ -n "$validate" ]]
 then
-	test -f "$dest_dir"/Data/H3bitmap.lod || fail "Error: Heroes 3 data files are missing!"
-	test -f "$dest_dir"/Data/H3sprite.lod || fail "Error: Heroes 3 data files are missing!"
-	test -f "$dest_dir"/Data/VIDEO.VID    || fail "Error: Heroes 3 data files (CD2) are missing!"
-	test -d "$dest_dir"/Mods/vcmi/Data    || fail "Error: VCMI data files are missing!"
+	test -f "$dest_dir"/[Dd][Aa][Tt][Aa]/H3bitmap.lod || fail "Error: Heroes 3 data files are missing!"
+	test -f "$dest_dir"/[Dd][Aa][Tt][Aa]/H3sprite.lod || fail "Error: Heroes 3 data files are missing!"
+	test -f "$dest_dir"/[Dd][Aa][Tt][Aa]/VIDEO.VID    || fail "Error: Heroes 3 data files (CD2) are missing!"
+	#test -d "$dest_dir"/Mods/vcmi/Data                || fail "Error: VCMI data files are missing!"
 fi
 
 rm -rf "$temp_dir"