diff --git a/src/client/sky.cpp b/src/client/sky.cpp
index d7e99fff7..705161100 100644
--- a/src/client/sky.cpp
+++ b/src/client/sky.cpp
@@ -122,7 +122,7 @@ void Sky::render()
 	if (!camera || !driver)
 		return;
 
-	ScopeProfiler sp(g_profiler, "Sky::render()", SPT_AVG);
+	ScopeProfiler sp(g_profiler, "Sky::render()", SPT_AVG, PRECISION_MICRO);
 
 	// Draw perspective skybox
 
diff --git a/src/collision.cpp b/src/collision.cpp
index 8e778b402..d12a84f48 100644
--- a/src/collision.cpp
+++ b/src/collision.cpp
@@ -234,7 +234,7 @@ collisionMoveResult collisionMoveSimple(Environment *env, IGameDef *gamedef,
 	Map *map = &env->getMap();
 	ServerEnvironment *s_env = dynamic_cast<ServerEnvironment*>(env);
 
-	ScopeProfiler sp(g_profiler, PROFILER_NAME("collisionMoveSimple()"), SPT_AVG);
+	ScopeProfiler sp(g_profiler, PROFILER_NAME("collisionMoveSimple()"), SPT_AVG, PRECISION_MICRO);
 
 	collisionMoveResult result;
 
@@ -273,7 +273,7 @@ collisionMoveResult collisionMoveSimple(Environment *env, IGameDef *gamedef,
 	std::vector<NearbyCollisionInfo> cinfo;
 	{
 	//TimeTaker tt2("collisionMoveSimple collect boxes");
-	ScopeProfiler sp2(g_profiler, PROFILER_NAME("collision collect boxes"), SPT_AVG);
+	ScopeProfiler sp2(g_profiler, PROFILER_NAME("collision collect boxes"), SPT_AVG, PRECISION_MICRO);
 
 	v3f minpos_f(
 		MYMIN(pos_f->X, newpos_f.X),
diff --git a/src/servermap.cpp b/src/servermap.cpp
index 0a2e54b4d..eeabd74f9 100644
--- a/src/servermap.cpp
+++ b/src/servermap.cpp
@@ -639,8 +639,7 @@ void ServerMap::loadBlock(std::string *blob, v3s16 p3d, MapSector *sector, bool
 	try {
 		std::istringstream is(*blob, std::ios_base::binary);
 
-		u8 version = SER_FMT_VER_INVALID;
-		is.read((char*)&version, 1);
+		u8 version = readU8(is);
 
 		if(is.fail())
 			throw SerializationError("ServerMap::loadBlock(): Failed"
@@ -655,9 +654,8 @@ void ServerMap::loadBlock(std::string *blob, v3s16 p3d, MapSector *sector, bool
 		}
 
 		{
-		ScopeProfiler sp(g_profiler, "ServerMap: deSer block", SPT_AVG);
-		// Read basic data
-		block->deSerialize(is, version, true);
+			ScopeProfiler sp(g_profiler, "ServerMap: deSer block", SPT_AVG, PRECISION_MICRO);
+			block->deSerialize(is, version, true);
 		}
 
 		// If it's a new block, insert it to the map
@@ -699,7 +697,7 @@ void ServerMap::loadBlock(std::string *blob, v3s16 p3d, MapSector *sector, bool
 
 MapBlock* ServerMap::loadBlock(v3s16 blockpos)
 {
-	ScopeProfiler sp(g_profiler, "ServerMap: load block", SPT_AVG);
+	ScopeProfiler sp(g_profiler, "ServerMap: load block", SPT_AVG, PRECISION_MICRO);
 	bool created_new = (getBlockNoCreateNoEx(blockpos) == NULL);
 
 	v2s16 p2d(blockpos.X, blockpos.Z);