diff --git a/kdesrc-build b/kdesrc-build
index 5ee4531..e61441e 100755
--- a/kdesrc-build
+++ b/kdesrc-build
@@ -3971,9 +3971,14 @@ sub expandModuleSets
 
     my $filter = sub {
         my $setName = $_->name();
+
         # If the module name matches a read-in Module, then it's not a set.
         return $_ if grep { $setName eq $_->name() } (@$knownModules);
 
+        # XML module can only happen if forced by user on command line, allow
+        # it.
+        return $_ if $_->type() eq 'proj';
+
         # Otherwise assume it's a set, replace this with all sub-modules in that
         # module set.
         my @modulesInSet = grep { $_->moduleSet() eq $setName } (@$knownModules);