diff --git a/source/glest_game/world/map.cpp b/source/glest_game/world/map.cpp
index 56511110..1d02cf9b 100644
--- a/source/glest_game/world/map.cpp
+++ b/source/glest_game/world/map.cpp
@@ -188,9 +188,9 @@ Checksum Map::load(const string &path, TechTree *techTree, Tileset *tileset) {
 				//desc = header.description;
 			}
 			else if(header.version==2){
-				//desc = header.extension_data.extension_data.version2.short_desc;
-				if(header.extension_data.version2.cliffLevel>0){
-					cliffLevel=static_cast<float>((header.extension_data.version2.cliffLevel)/heightFactor);
+				//desc = header.version2.short_desc;
+				if(header.version2.cliffLevel>0){
+					cliffLevel=static_cast<float>((header.version2.cliffLevel-0.01f)/(heightFactor));
 				}
 				else {
 					cliffLevel=0;
@@ -1098,7 +1098,7 @@ void Map::smoothSurface(Tileset *tileset) {
 	for (int i = 0; i < getSurfaceCellArraySize(); ++i) {
 		oldHeights[i] = surfaceCells[i].getHeight();
 	}
-	printf("argh %f\n",cliffLevel);
+
 	for (int i = 1; i < surfaceW - 1; ++i) {
 		for (int j = 1; j < surfaceH - 1; ++j) {
 			float height = 0.f;
diff --git a/source/shared_lib/include/map/map_preview.h b/source/shared_lib/include/map/map_preview.h
index 3153f7b6..1c6ea11c 100644
--- a/source/shared_lib/include/map/map_preview.h
+++ b/source/shared_lib/include/map/map_preview.h
@@ -60,19 +60,6 @@ static const int DEFAULT_CLIFF_HEIGHT				= 0;
 
 static const int MAP_FORMAT_VERSION=2;
 
-
-typedef union {
-	int8 description[MAX_DESCRIPTION_LENGTH];
-
-	struct {
-		int8 short_desc[MAX_DESCRIPTION_LENGTH_VERSION2];
-		int32 magic; // 0x01020304 for meta
-		int32 cliffLevel;
-		int8 meta[120];
-	} version2;
-} uniondata;
-
-
 struct MapFileHeader {
 	int32 version;
 	int32 maxFactions;
@@ -82,7 +69,15 @@ struct MapFileHeader {
 	int32 waterLevel;
 	int8 title[MAX_TITLE_LENGTH];
 	int8 author[MAX_AUTHOR_LENGTH];
-	uniondata extension_data;
+	union {
+		int8 description[MAX_DESCRIPTION_LENGTH];
+		struct {
+			int8 short_desc[MAX_DESCRIPTION_LENGTH_VERSION2];
+			int32 magic; // 0x01020304 for meta
+			int32 cliffLevel;
+			int8 meta[120];
+		} version2;
+	};
 };
 
 // ===============================================
diff --git a/source/shared_lib/sources/graphics/gl/model_renderer_gl.cpp b/source/shared_lib/sources/graphics/gl/model_renderer_gl.cpp
index 27b0f74a..5e575c1d 100644
--- a/source/shared_lib/sources/graphics/gl/model_renderer_gl.cpp
+++ b/source/shared_lib/sources/graphics/gl/model_renderer_gl.cpp
@@ -137,13 +137,13 @@ void ModelRendererGl::renderMesh(Mesh *mesh) {
 	//assertions
 	assertGl();
 
+	glPolygonOffset(0.05f, 0.0f);
 	//set cull face
 	if(mesh->getTwoSided()) {
 		glDisable(GL_CULL_FACE);
 	}
 	else{
 		glEnable(GL_CULL_FACE);
-		glPolygonOffset(0.05f, 0.0f);
 	}
 
 	//set color
diff --git a/source/shared_lib/sources/map/map_preview.cpp b/source/shared_lib/sources/map/map_preview.cpp
index 150a2381..76fe1b67 100644
--- a/source/shared_lib/sources/map/map_preview.cpp
+++ b/source/shared_lib/sources/map/map_preview.cpp
@@ -669,11 +669,11 @@ void MapPreview::loadFromFile(const string &path) {
 		author = header.author;
 		cliffLevel = 0;
 		if(header.version==1){
-			desc = header.extension_data.description;
+			desc = header.description;
 		}
 		else if(header.version==2){
-			desc = header.extension_data.version2.short_desc;
-			cliffLevel=header.extension_data.version2.cliffLevel;
+			desc = header.version2.short_desc;
+			cliffLevel=header.version2.cliffLevel;
 		}
 
 		//read start locations
@@ -738,9 +738,9 @@ void MapPreview::saveToFile(const string &path) {
 		header.waterLevel = waterLevel;
 		strncpy(header.title, title.c_str(), MAX_TITLE_LENGTH);
 		strncpy(header.author, author.c_str(), MAX_AUTHOR_LENGTH);
-		strncpy(header.extension_data.version2.short_desc, desc.c_str(), MAX_DESCRIPTION_LENGTH_VERSION2);
-		header.extension_data.version2.magic= 0x01020304;
-		header.extension_data.version2.cliffLevel= cliffLevel;
+		strncpy(header.version2.short_desc, desc.c_str(), MAX_DESCRIPTION_LENGTH_VERSION2);
+		header.version2.magic= 0x01020304;
+		header.version2.cliffLevel= cliffLevel;
 
 
 		fwrite(&header, sizeof(MapFileHeader), 1, f1);