1 files changed, 6 insertions, 0 deletions
diff --git a/src/installationmanager.cpp b/src/installationmanager.cpp
index 63945150..16761f24 100644
--- a/src/installationmanager.cpp
+++ b/src/installationmanager.cpp
@@ -43,6 +43,7 @@ along with Mod Organizer.  If not, see <http://www.gnu.org/licenses/>.
 #include <Shellapi.h>
 #include <QPushButton>
 #include <QApplication>
+#include <QDateTime>
 #include <QDirIterator>
 #include <boost/assign.hpp>
 
@@ -720,6 +721,11 @@ bool InstallationManager::install(const QString &fileName, const QString &modsDi
     categoryID = CategoryFactory::instance().getCategoryID(categoryIndex);
   }
 
+  if (version.isEmpty()) {
+    QDateTime lastMod = fileInfo.lastModified();
+    version = "d" + lastMod.toString("yyyy.M.d");
+  }
+
   { // guess the mod name and mod if from the file name if there was no meta information
     QString guessedModName;
     int guessedModID = modID;