diff --git a/src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java b/src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java
index 62d499b..f4510bd 100644
--- a/src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java
+++ b/src/main/java/ru/nanit/limbo/connection/pipeline/PacketDecoder.java
@@ -39,7 +39,7 @@ public class PacketDecoder extends MessageToMessageDecoder<ByteBuf> {
 
             ctx.fireChannelRead(packet);
         } else {
-            Logger.warning("Undefined incoming packet: 0x" + Integer.toHexString(packetId));
+            Logger.debug("Undefined incoming packet: 0x" + Integer.toHexString(packetId));
         }
     }
 
diff --git a/src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java b/src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java
index 7d06341..65f6803 100644
--- a/src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java
+++ b/src/main/java/ru/nanit/limbo/connection/pipeline/PacketEncoder.java
@@ -47,7 +47,7 @@ public class PacketEncoder extends MessageToByteEncoder<Packet> {
                 Logger.debug("Sending %s packet (%d bytes)", packet.toString(), msg.readableBytes());
             }
         } catch (Exception e) {
-            Logger.warning("Cannot encode packet 0x%s: %s", Integer.toHexString(packetId), e.getMessage());
+            Logger.error("Cannot encode packet 0x%s: %s", Integer.toHexString(packetId), e.getMessage());
         }
     }
 
diff --git a/src/main/java/ru/nanit/limbo/util/Logger.java b/src/main/java/ru/nanit/limbo/util/Logger.java
index 2f3edbb..a7427d3 100644
--- a/src/main/java/ru/nanit/limbo/util/Logger.java
+++ b/src/main/java/ru/nanit/limbo/util/Logger.java
@@ -59,10 +59,10 @@ public final class Logger {
 
     public enum Level {
 
-        INFO ("INFO", 0),
-        DEBUG ("DEBUG", 1),
+        ERROR("ERROR", 1),
         WARNING("WARNING", 2),
-        ERROR("ERROR", 3);
+        INFO ("INFO", 3),
+        DEBUG ("DEBUG", 4);
 
         private final String display;
         private final int index;
diff --git a/src/main/resources/settings.yml b/src/main/resources/settings.yml
index d9c78cf..e47477d 100644
--- a/src/main/resources/settings.yml
+++ b/src/main/resources/settings.yml
@@ -85,13 +85,13 @@ infoForwarding:
 # Read timeout for connections in milliseconds
 readTimeout: 30000
 
-# Define debug level. On release, i recommend to use 0 level, since
-# there are many useless for release information about ping, received packets, etc.
-# Levels:
-# 0 - Display only useful info
-# 1 - Display info and some debug
-# 2 - Display info and warnings
-# 3 - Display info, warnings, errors
+# Define log level. On release, I'd recommend to use level 3
+# Log levels:
+# 0 - Display nothing
+# 1 - Display only errors
+# 2 - Display errors, warnings
+# 3 - Display errors, warnings, info
+# 4 - Display errors, warnings, info, debug
 debugLevel: 3
 
 # Warning! Do not touch params of this block, if you not completely sure what is this!