diff --git a/src/cryptonote_basic/cryptonote_basic_impl.cpp b/src/cryptonote_basic/cryptonote_basic_impl.cpp
index 81af83d2f..7aeaedf8d 100644
--- a/src/cryptonote_basic/cryptonote_basic_impl.cpp
+++ b/src/cryptonote_basic/cryptonote_basic_impl.cpp
@@ -114,8 +114,8 @@ namespace cryptonote {
 
     if (current_block_size <= median_size) {
       reward = base_reward;
-      if (version >= 12) { // XXX Be careful when merging back to master, in master "halving" version is 10
-          // halving reward since version 12
+      if (version >= 10) {
+          // halving reward since version 10
           reward /= 2;
       }
       return true;
@@ -144,8 +144,8 @@ namespace cryptonote {
     assert(reward_lo < base_reward);
 
     reward = reward_lo;
-    if (version >= 12) { // XXX Be careful when merging back to master, in master "halving" version is 10
-        // halving reward since version 12
+    if (version >= 10) { 
+        // halving reward since version 10
         reward /= 2;
     }
     return true;