diff --git a/sources/main.cpp b/sources/main.cpp
index 8561a72..a35657a 100644
--- a/sources/main.cpp
+++ b/sources/main.cpp
@@ -152,7 +152,7 @@ int getOnes(const Key& value) {
 }
 void printKeys(int ones, const KeysBox& keys) {
     char buffer[256];
-    int len = snprintf(buffer, sizeof(buffer), "\nAddr:\t%x\nPK:\t%s\nSK:\t%s\n", ones, keyToString(keys.PublicKey).c_str(), keyToString(keys.PrivateKey).c_str());
+    int len = snprintf(buffer, sizeof(buffer), "\nAddr:\t2%x\nPK:\t%s\nSK:\t%s\n", ones, keyToString(keys.PublicKey).c_str(), keyToString(keys.PrivateKey).c_str());
     if (len > 0 && len < static_cast<int>(sizeof(buffer))) {
         printf("%s", buffer);
     } else {