diff --git a/code/DeboneProcess.cpp b/code/DeboneProcess.cpp
index 5d688f813..41941b4ac 100644
--- a/code/DeboneProcess.cpp
+++ b/code/DeboneProcess.cpp
@@ -137,7 +137,7 @@ void DeboneProcess::Execute( aiScene* pScene)
                     const aiString *find = newMeshes[b].second?&newMeshes[b].second->mName:0;
 
                     aiNode *theNode = find?pScene->mRootNode->FindNode(*find):0;
-                    std::pair<unsigned int,aiNode*> push_pair(meshes.size(),theNode);
+                    std::pair<unsigned int,aiNode*> push_pair(static_cast<unsigned int>(meshes.size()),theNode);
 
                     mSubMeshIndices[a].push_back(push_pair);
                     meshes.push_back(newMeshes[b].first);
@@ -156,13 +156,13 @@ void DeboneProcess::Execute( aiScene* pScene)
             }
             else    {
                 // Mesh is kept unchanged - store it's new place in the mesh array
-                mSubMeshIndices[a].push_back(std::pair<unsigned int,aiNode*>(meshes.size(),(aiNode*)0));
+                mSubMeshIndices[a].push_back(std::pair<unsigned int,aiNode*>(static_cast<unsigned int>(meshes.size()),(aiNode*)0));
                 meshes.push_back(srcMesh);
             }
         }
 
         // rebuild the scene's mesh array
-        pScene->mNumMeshes = meshes.size();
+        pScene->mNumMeshes = static_cast<unsigned int>(meshes.size());
         delete [] pScene->mMeshes;
         pScene->mMeshes = new aiMesh*[pScene->mNumMeshes];
         std::copy( meshes.begin(), meshes.end(), pScene->mMeshes);
@@ -382,7 +382,7 @@ void DeboneProcess::UpdateNode(aiNode* pNode) const
 
     // this will require two passes
 
-    unsigned int m = pNode->mNumMeshes, n = mSubMeshIndices.size();
+    unsigned int m = static_cast<unsigned int>(pNode->mNumMeshes), n = static_cast<unsigned int>(mSubMeshIndices.size());
 
     // first pass, look for meshes which have not moved
 
@@ -390,7 +390,7 @@ void DeboneProcess::UpdateNode(aiNode* pNode) const
 
         unsigned int srcIndex = pNode->mMeshes[a];
         const std::vector< std::pair< unsigned int,aiNode* > > &subMeshes = mSubMeshIndices[srcIndex];
-        unsigned int nSubmeshes = subMeshes.size();
+        unsigned int nSubmeshes = static_cast<unsigned int>(subMeshes.size());
 
         for(unsigned int b=0;b<nSubmeshes;b++) {
             if(!subMeshes[b].second) {
@@ -404,7 +404,7 @@ void DeboneProcess::UpdateNode(aiNode* pNode) const
     for(unsigned int a=0;a<n;a++)
     {
         const std::vector< std::pair< unsigned int,aiNode* > > &subMeshes = mSubMeshIndices[a];
-        unsigned int nSubmeshes = subMeshes.size();
+        unsigned int nSubmeshes = static_cast<unsigned int>(subMeshes.size());
 
         for(unsigned int b=0;b<nSubmeshes;b++) {
             if(subMeshes[b].second == pNode)    {
@@ -417,7 +417,7 @@ void DeboneProcess::UpdateNode(aiNode* pNode) const
         delete [] pNode->mMeshes; pNode->mMeshes = NULL;
     }
 
-    pNode->mNumMeshes = newMeshList.size();
+    pNode->mNumMeshes = static_cast<unsigned int>(newMeshList.size());
 
     if(pNode->mNumMeshes)   {
         pNode->mMeshes = new unsigned int[pNode->mNumMeshes];