diff -r 5b525d041fb4 -r a6cd48b8ef61 QTfrontend/hwform.cpp
--- a/QTfrontend/hwform.cpp	Mon Apr 10 20:56:01 2017 +0200
+++ b/QTfrontend/hwform.cpp	Mon Apr 10 21:42:53 2017 +0200
@@ -1594,6 +1594,14 @@
 
 void HWForm::StartMPGame()
 {
+    int numHogs = ui.pageMultiplayer->teamsSelect->getNumHedgehogs();
+    /* Don't allow to start game with >48 hogs.
+    TODO: Remove this as soon the engine supports more hogs. */
+    if(numHogs > 48)
+    {
+        MessageDialog::ShowErrorMessage(QMessageBox::tr("Sorry, Hedgewars can't be played with more than 48 hedgehogs. Please try again with fewer hedgehogs.\n\nCurrent number of hedgehogs: %1").arg(numHogs), this);
+        return;
+    }
     QString ammo;
     ammo = ui.pageMultiplayer->gameCFG->WeaponsName->itemData(
                ui.pageMultiplayer->gameCFG->WeaponsName->currentIndex()