4 files changed, 13 insertions, 7 deletions
diff --git a/src/gui/models/langlistmodel.h b/src/gui/models/langlistmodel.h
index bc807fcf2..d039b61b0 100644
--- a/src/gui/models/langlistmodel.h
+++ b/src/gui/models/langlistmodel.h
@@ -19,7 +19,10 @@
  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-#include "gui/models/listmodel.h"
+#ifndef GUI_MODELS_LANGLISTMODEL_H
+#define GUI_MODELS_LANGLISTMODEL_H
+
+#include "gui/models/extendedlistmodel.h"
 
 #include "resources/resourcemanager.h"
 
@@ -119,3 +122,5 @@ public:
 
     Image *mIcons[langs_count];
 };
+
+#endif  // GUI_MODELS_LANGLISTMODEL_H
diff --git a/src/gui/models/modelistmodel.cpp b/src/gui/models/modelistmodel.cpp
index 20e4348bb..411bb3450 100644
--- a/src/gui/models/modelistmodel.cpp
+++ b/src/gui/models/modelistmodel.cpp
@@ -98,4 +98,3 @@ int ModeListModel::getIndexOf(const std::string &widthXHeightMode)
     }
     return -1;
 }
-
diff --git a/src/gui/models/modelistmodel.h b/src/gui/models/modelistmodel.h
index a34ba810a..2802b720e 100644
--- a/src/gui/models/modelistmodel.h
+++ b/src/gui/models/modelistmodel.h
@@ -25,6 +25,8 @@
 
 #include "gui/models/listmodel.h"
 
+#include "utils/stringvector.h"
+
 #include "localconsts.h"
 
 class ModeListModel final : public ListModel
diff --git a/src/gui/models/playertablemodel.cpp b/src/gui/models/playertablemodel.cpp
index d3d198eb1..119a4fba8 100644
--- a/src/gui/models/playertablemodel.cpp
+++ b/src/gui/models/playertablemodel.cpp
@@ -25,14 +25,11 @@
 #include "gui/widgets/dropdown.h"
 #include "gui/widgets/label.h"
 
-#include "gui/widgets/tabs/setup_relations.h"
-
 #include "gui/models/playerrelationlistmodel.h"
 #include "gui/models/tablemodel.h"
 
 #include "utils/delete2.h"
 #include "utils/dtor.h"
-#include "utils/gettext.h"
 
 #include "debug.h"
 
@@ -145,7 +142,10 @@ void PlayerTableModel::freeWidgets()
 
 std::string PlayerTableModel::getPlayerAt(const int index) const
 {
-    if (index < 0 || index >= static_cast<signed>(mPlayers->size()))
-        return "";
+    if (!mPlayers || index < 0
+        || index >= static_cast<signed>(mPlayers->size()))
+    {
+        return std::string();
+    }
     return (*mPlayers)[index];
 }