diff --git a/apps/opencs/view/render/terrainstorage.cpp b/apps/opencs/view/render/terrainstorage.cpp
index fe302cef1..a60678f88 100644
--- a/apps/opencs/view/render/terrainstorage.cpp
+++ b/apps/opencs/view/render/terrainstorage.cpp
@@ -9,7 +9,7 @@ namespace CSVRender
     {
     }
 
-    ESM::Land* TerrainStorage::getLand(int cellX, int cellY)
+    const ESM::Land* TerrainStorage::getLand(int cellX, int cellY)
     {
         std::ostringstream stream;
         stream << "#" << cellX << " " << cellY;
diff --git a/apps/opencs/view/render/terrainstorage.hpp b/apps/opencs/view/render/terrainstorage.hpp
index 97782ad17..16b0f3ec7 100644
--- a/apps/opencs/view/render/terrainstorage.hpp
+++ b/apps/opencs/view/render/terrainstorage.hpp
@@ -18,7 +18,7 @@ namespace CSVRender
     private:
         const CSMWorld::Data& mData;
 
-        virtual ESM::Land* getLand (int cellX, int cellY);
+        virtual const ESM::Land* getLand (int cellX, int cellY);
         virtual const ESM::LandTexture* getLandTexture(int index, short plugin);
 
         virtual void getBounds(float& minX, float& maxX, float& minY, float& maxY);
diff --git a/apps/openmw/mwrender/terrainstorage.cpp b/apps/openmw/mwrender/terrainstorage.cpp
index 269e7f99f..f9a9083f0 100644
--- a/apps/openmw/mwrender/terrainstorage.cpp
+++ b/apps/openmw/mwrender/terrainstorage.cpp
@@ -51,7 +51,7 @@ namespace MWRender
         maxY += 1;
     }
 
-    ESM::Land* TerrainStorage::getLand(int cellX, int cellY)
+    const ESM::Land* TerrainStorage::getLand(int cellX, int cellY)
     {
         const MWWorld::ESMStore &esmStore =
             MWBase::Environment::get().getWorld()->getStore();
diff --git a/apps/openmw/mwrender/terrainstorage.hpp b/apps/openmw/mwrender/terrainstorage.hpp
index 93531a552..a12ffd540 100644
--- a/apps/openmw/mwrender/terrainstorage.hpp
+++ b/apps/openmw/mwrender/terrainstorage.hpp
@@ -10,7 +10,7 @@ namespace MWRender
     class TerrainStorage : public ESMTerrain::Storage
     {
     private:
-        virtual ESM::Land* getLand (int cellX, int cellY);
+        virtual const ESM::Land* getLand (int cellX, int cellY);
         virtual const ESM::LandTexture* getLandTexture(int index, short plugin);
     public:
 
diff --git a/components/esmterrain/storage.cpp b/components/esmterrain/storage.cpp
index 10b75bb74..5bc56a430 100644
--- a/components/esmterrain/storage.cpp
+++ b/components/esmterrain/storage.cpp
@@ -74,7 +74,7 @@ namespace ESMTerrain
             --cellX;
             row += ESM::Land::LAND_SIZE-1;
         }
-        ESM::Land* land = getLand(cellX, cellY);
+        const ESM::Land* land = getLand(cellX, cellY);
         if (land && land->mDataTypes&ESM::Land::DATA_VNML)
         {
             normal.x() = land->mLandData->mNormals[col*ESM::Land::LAND_SIZE*3+row*3];
@@ -109,7 +109,7 @@ namespace ESMTerrain
             ++cellX;
             row = 0;
         }
-        ESM::Land* land = getLand(cellX, cellY);
+        const ESM::Land* land = getLand(cellX, cellY);
         if (land && land->mDataTypes&ESM::Land::DATA_VCLR)
         {
             color.r() = land->mLandData->mColours[col*ESM::Land::LAND_SIZE*3+row*3] / 255.f;
@@ -158,7 +158,7 @@ namespace ESMTerrain
             float vertX_ = 0; // of current cell corner
             for (int cellX = startX; cellX < startX + std::ceil(size); ++cellX)
             {
-                ESM::Land* land = getLand(cellX, cellY);
+                const ESM::Land* land = getLand(cellX, cellY);
                 if (land && !(land->mDataTypes&ESM::Land::DATA_VHGT))
                     land = NULL;
 
@@ -262,7 +262,7 @@ namespace ESMTerrain
         assert(x<ESM::Land::LAND_TEXTURE_SIZE);
         assert(y<ESM::Land::LAND_TEXTURE_SIZE);
 
-        ESM::Land* land = getLand(cellX, cellY);
+        const ESM::Land* land = getLand(cellX, cellY);
         if (land && (land->mDataTypes&ESM::Land::DATA_VTEX))
         {
             int tex = land->mLandData->mTextures[y * ESM::Land::LAND_TEXTURE_SIZE + x];
@@ -368,7 +368,7 @@ namespace ESMTerrain
         int cellX = static_cast<int>(std::floor(worldPos.x() / 8192.f));
         int cellY = static_cast<int>(std::floor(worldPos.y() / 8192.f));
 
-        ESM::Land* land = getLand(cellX, cellY);
+        const ESM::Land* land = getLand(cellX, cellY);
         if (!land || !(land->mDataTypes&ESM::Land::DATA_VHGT))
             return -2048;
 
diff --git a/components/esmterrain/storage.hpp b/components/esmterrain/storage.hpp
index 8f4a3aa92..debbc59b9 100644
--- a/components/esmterrain/storage.hpp
+++ b/components/esmterrain/storage.hpp
@@ -21,7 +21,7 @@ namespace ESMTerrain
     private:
 
         // Not implemented in this class, because we need different Store implementations for game and editor
-        virtual ESM::Land* getLand (int cellX, int cellY) = 0;
+        virtual const ESM::Land* getLand (int cellX, int cellY) = 0;
         virtual const ESM::LandTexture* getLandTexture(int index, short plugin) = 0;
 
     public: