--- a/ui/createinstallerdialog.cpp	Fri Aug 29 13:10:11 2014 +0200
+++ b/ui/createinstallerdialog.cpp	Fri Aug 29 14:28:00 2014 +0200
@@ -383,6 +383,31 @@
     return true;
 }
 
+bool copyPath(QString src, QString dst)
+{
+    QDir dir(src);
+    if (! dir.exists()) {
+        qDebug() << "Source directory does not exist.";
+        return false;
+    }
+
+    foreach (QString d, dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
+        QString dst_path = dst + QDir::separator() + d;
+        dir.mkpath(dst_path);
+        if (!copyPath(src+ QDir::separator() + d, dst_path)) {
+            qDebug() << "Failed to copy subdirectory; " << d;
+            return false;
+        }
+    }
+
+    foreach (QString f, dir.entryList(QDir::Files)) {
+        if (!QFile::copy(src + QDir::separator() + f, dst + QDir::separator() + f)) {
+            qDebug() << "Failed to copy: " << f;
+            return false;
+        }
+    }
+    return true;
+}
 
 QTemporaryDir *CreateInstallerDialog::codesignBinaries(const QDir& sourceDir) {
     QTemporaryDir* target = new QTemporaryDir();
@@ -390,17 +415,20 @@
     mProgress.setLabelText(tr("Signing binaries..."));
 
     mProgress.show();
+
+    /* Copy the whole directory. */
+    if (!copyPath(sourceDir.path(), target->path())) {
+        qDebug() << "Copy failed.";
+        showErrorMessage(tr("Failed to copy binaries to temporary location."));
+        mProgress.cancel();
+        return NULL;
+    }
+    /* Sign the top level .exe files */
     foreach (const QFileInfo& entry, sourceDir.entryInfoList()) {
         QString targetPath = target->path() + QString::fromLatin1("/") + entry.fileName();
         if (entry.fileName() == "." || entry.fileName() == "..") {
             continue;
         }
-        if (!QFile::copy(entry.absoluteFilePath(), targetPath)) {
-            qDebug() << "Failed to copy: " << entry.absoluteFilePath() << " to: " << targetPath;
-            showErrorMessage(tr("Failed to copy binaries to temporary location."));
-            mProgress.cancel();
-            return NULL;
-        }
         if (entry.suffix() == "exe") {
             if (!signFile(targetPath)) {
                 showErrorMessage(tr("Failed to sign binaries with osslsigncode.\n"