diff --git a/apps/openmw/mwrender/terrain.cpp b/apps/openmw/mwrender/terrain.cpp
index 89c362c4cd..0e6fdff01e 100644
--- a/apps/openmw/mwrender/terrain.cpp
+++ b/apps/openmw/mwrender/terrain.cpp
@@ -263,8 +263,7 @@ namespace MWRender
                 if ( it == indexes.end() )
                 {
                     //NB: All vtex ids are +1 compared to the ltex ids
-                    assert((int)ltexIndex >= 0 &&
-                           (int)store->landTextures->ltex.size() >= (int)ltexIndex - 1 &&
+                    assert( (int)store->landTextures->ltex.size() >= (int)ltexIndex - 1 &&
                            "LAND.VTEX must be within the bounds of the LTEX array");
                     
                     std::string texture;
diff --git a/components/esm/loadland.cpp b/components/esm/loadland.cpp
index 3bca8692b7..4fe6279d32 100644
--- a/components/esm/loadland.cpp
+++ b/components/esm/loadland.cpp
@@ -111,6 +111,8 @@ void Land::loadData(ESMReader &esm)
     }
     else
     {
+        landData->usingColours = false;
+        memset(&landData->textures, 0, 512 * sizeof(uint16_t));
         for (int i = 0; i < LAND_NUM_VERTS; i++)
         {
             landData->heights[i] = -256.0f * HEIGHT_SCALE;