diff --git a/source/terrain/Patch.cpp b/source/terrain/Patch.cpp
index 0f12d710fe..e8fe809690 100755
--- a/source/terrain/Patch.cpp
+++ b/source/terrain/Patch.cpp
@@ -37,7 +37,7 @@ void CPatch::Initialize (STerrainVertex *first_vertex)
 		}
 	}
 
-	for (j=0; j<16; j++)
+	for (int j=0; j<16; j++)
 	{
 		for (int i=0; i<16; i++)
 		{
diff --git a/source/terrain/Renderer.cpp b/source/terrain/Renderer.cpp
index c8dff1a224..b2d15e20ea 100755
--- a/source/terrain/Renderer.cpp
+++ b/source/terrain/Renderer.cpp
@@ -87,7 +87,7 @@ void CRenderer::FlushFrame()
 	for (int i=0;i<m_TerrainPatches.size();++i) {
 		RenderPatchBase(m_TerrainPatches[i].m_Object);
 	}
-	for (i=0;i<m_TerrainPatches.size();++i) {
+	for (int i=0;i<m_TerrainPatches.size();++i) {
 		RenderPatchTrans(m_TerrainPatches[i].m_Object);
 	}
 
@@ -96,7 +96,7 @@ void CRenderer::FlushFrame()
 	}
 
 	// render models
-	for (i=0;i<m_Models.size();++i) {
+	for (int i=0;i<m_Models.size();++i) {
 		RenderModel(m_Models[i]);
 	}
 
diff --git a/source/terrain/Terrain.cpp b/source/terrain/Terrain.cpp
index e6f884a262..671b892f93 100755
--- a/source/terrain/Terrain.cpp
+++ b/source/terrain/Terrain.cpp
@@ -70,7 +70,7 @@ bool CTerrain::InitFromHeightmap(const u8* data)
 		}
 	}
 
-	for (j=0; j<NUM_PATCHES_PER_SIDE; j++)
+	for (int j=0; j<NUM_PATCHES_PER_SIDE; j++)
 	{
 		for (int i=0; i<NUM_PATCHES_PER_SIDE; i++)
 		{