diff --git a/silly.d b/silly.d

index 0b37fe9..bda3c0a 100644

--- a/silly.d

+++ b/silly.d

@@ -34,7 +34,9 @@ shared static this() {

        string include, exclude;

        auto args = Runtime.args;

+       string targetmodule;

        auto getoptResult = args.getopt(

+           "module", "test a single module", &targetmodule,

            "no-colours",

                "Disable colours",

                &noColours,

@@ -76,7 +78,7 @@ shared static this() {

        // Test discovery

        foreach(m; dub_test_root.allModules) {

            import std.meta : Alias;

-           import std.traits : fullyQualifiedName;

+           import std.traits : fullyQualifiedName, moduleName;

            static if(__traits(isModule, m)) {

                alias module_ = m;

            } else {

@@ -84,6 +86,9 @@ shared static this() {

                alias module_ = Alias!(__traits(parent, m));

            }

+           if (targetmodule && moduleName!module_ != targetmodule)

+               continue;

+

            // Unittests in the module

            foreach(test; __traits(getUnitTests, module_)) {

                tests ~= Test(fullyQualifiedName!test, getTestName!test, getTestLocation!test, &test);

​