diff --git a/code/3DSExporter.cpp b/code/3DSExporter.cpp
index b16a3b2c7..1bd341c78 100644
--- a/code/3DSExporter.cpp
+++ b/code/3DSExporter.cpp
@@ -47,9 +47,9 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "SceneCombiner.h"
 #include "SplitLargeMeshes.h"
 #include "StringComparison.h"
-#include "../include/assimp/IOSystem.hpp"
-#include "../include/assimp/DefaultLogger.hpp"
-#include "../include/assimp/Exporter.hpp"
+#include "../include/assimp/IOSystem.hpp"
+#include "../include/assimp/DefaultLogger.hpp"
+#include "../include/assimp/Exporter.hpp"
 #include <memory>
 
 using namespace Assimp;
@@ -324,6 +324,7 @@ void Discreet3DSExporter::WriteMaterials()
 				break;
 
 			default:
+				shading_mode_out = Discreet3DS::Flat;
 				ai_assert(false);
 			};
 			writer.PutU2(static_cast<uint16_t>(shading_mode_out));