diff --git a/libraries/plugins/peerplays_sidechain/common/rpc_client.cpp b/libraries/plugins/peerplays_sidechain/common/rpc_client.cpp
index a8ab651b..63529343 100644
--- a/libraries/plugins/peerplays_sidechain/common/rpc_client.cpp
+++ b/libraries/plugins/peerplays_sidechain/common/rpc_client.cpp
@@ -311,6 +311,9 @@ void rpc_client::schedule_connection_selection()
 void rpc_client::select_connection()
 {
    //ilog("n_active_rpc_client=${n}", ("n", n_active_rpc_client));
+   static const int t_limit = 10*1000000, // 10 sec
+      quality_diff_threshold = 10000;     // 10 ms
+
    FC_ASSERT(connections.size());
 
    int best_n = -1;
@@ -318,6 +321,9 @@ void rpc_client::select_connection()
 
    std::vector<uint64_t> head_block_numbers;
    head_block_numbers.resize(connections.size());
+
+   std::vector<int> qualities;
+   qualities.resize(connections.size());
          
    for (size_t n=0; n < connections.size(); n++) {
       rpc_connection *conn = connections[n];
@@ -333,7 +339,6 @@ void rpc_client::select_connection()
          t += rand() % 10;
          FC_ASSERT(t != -1);
          head_block_numbers[n] = head_block_number;
-         static const int t_limit = 10*1000000; // 10 sec
          if (t < t_limit)
             quality = t_limit - t;  // the less time, the higher quality
 
@@ -343,15 +348,17 @@ void rpc_client::select_connection()
             best_quality = quality;
          }
       }
+      qualities[n] = quality;
+   }
 
-      FC_ASSERT(best_n != -1 && best_quality != -1);
-      if (best_n != n_active_conn) {  // if the best client is not the current one, ...
-         uint64_t active_head_block_number = head_block_numbers[n_active_conn];
-         if (active_head_block_number == std::numeric_limits<uint64_t>::max()  // ... and the current one has no known head block...
-            || head_block_numbers[best_n] >= active_head_block_number) {  // ...or the best client's head is more recent than the current, ...
-            n_active_conn = best_n;   // ...then select new one
-            ilog("!!! rpc connection reselected, now ${n}", ("n", n_active_conn));
-         }
+   FC_ASSERT(best_n != -1 && best_quality != -1);
+   if (best_n != n_active_conn) {  // if the best client is not the current one, ...
+      uint64_t active_head_block_number = head_block_numbers[n_active_conn];
+      if ((active_head_block_number == std::numeric_limits<uint64_t>::max()     // ...and the current one has no known head block...
+         || head_block_numbers[best_n] >= active_head_block_number)             // ...or the best client's head is more recent than the current, ...
+         && best_quality > qualities[n_active_conn] + quality_diff_threshold) { // ...and the new client's quality exceeds current more than by threshold
+         n_active_conn = best_n;   // ...then select new one
+         ilog("!!! rpc connection reselected, now ${n}", ("n", n_active_conn));
       }
    }