diff --git a/program/SVET/lib/SVET/PerepheryCore/SerialCore.h b/program/SVET/lib/SVET/PerepheryCore/SerialCore.h
index 90a1fe4..338ba03 100644
--- a/program/SVET/lib/SVET/PerepheryCore/SerialCore.h
+++ b/program/SVET/lib/SVET/PerepheryCore/SerialCore.h
@@ -45,7 +45,7 @@ void SerialCore::SendLine(const char *data)
 
 void SerialCore::SetColor(SerialColor color)
 {
-    Serial.write(27);
+    Serial.write(0x1B);
     Serial.print(GetEscapeColor(color)); // White color
 }