diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index ac00d958d..e3dadda03 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -33,6 +33,7 @@ Release 3-dev
 - (wifi) - Fix flush operation on WifiMacQueues
 - (wifi) - #942 - Trace expired MPDUs before removing them from the queue to avoid blocking the recipient buffer
 - (wifi) - Fix wrong condition preventing PHY from aborting RX when starting TX
+- (lr-wpan) - #944 - Fix for-loop in PrintTxQueue(s) functions
 
 Release 3.39
 ------------
diff --git a/src/lr-wpan/model/lr-wpan-mac.cc b/src/lr-wpan/model/lr-wpan-mac.cc
index 15100266d..93c0088ee 100644
--- a/src/lr-wpan/model/lr-wpan-mac.cc
+++ b/src/lr-wpan/model/lr-wpan-mac.cc
@@ -2932,34 +2932,37 @@ LrWpanMac::PurgeInd()
 }
 
 void
-LrWpanMac::PrintPendTxQ(std::ostream& os) const
+LrWpanMac::PrintPendingTxQueue(std::ostream& os) const
 {
     LrWpanMacHeader peekedMacHdr;
 
     os << "Pending Transaction List [" << GetShortAddress() << " | " << GetExtendedAddress()
        << "] | CurrentTime: " << Simulator::Now().As(Time::S) << "\n"
-       << "       Destination        | Sequence Number |   Frame type    | Expire time\n";
+       << "    Destination    |"
+       << "    Sequence Number |"
+       << "    Frame type    |"
+       << "    Expire time\n";
 
-    for (uint32_t i = 0; i < m_indTxQueue.size(); i++)
+    for (auto transaction : m_indTxQueue)
     {
-        m_indTxQueue[i]->txQPkt->PeekHeader(peekedMacHdr);
-        os << m_indTxQueue[i]->dstExtAddress << "           "
-           << static_cast<uint32_t>(m_indTxQueue[i]->seqNum) << "          ";
+        transaction->txQPkt->PeekHeader(peekedMacHdr);
+        os << transaction->dstExtAddress << "           "
+           << static_cast<uint32_t>(transaction->seqNum) << "          ";
 
         if (peekedMacHdr.IsCommand())
         {
-            os << "Cmd Frame    ";
+            os << " Command Frame   ";
         }
         else if (peekedMacHdr.IsData())
         {
-            os << "Data Frame   ";
+            os << " Data Frame      ";
         }
         else
         {
-            os << "Unk Frame    ";
+            os << " Unknown Frame   ";
         }
 
-        os << m_indTxQueue[i]->expireTime.As(Time::S) << "\n";
+        os << transaction->expireTime.As(Time::S) << "\n";
     }
 }
 
@@ -2970,11 +2973,14 @@ LrWpanMac::PrintTxQueue(std::ostream& os) const
 
     os << "\nTx Queue [" << GetShortAddress() << " | " << GetExtendedAddress()
        << "] | CurrentTime: " << Simulator::Now().As(Time::S) << "\n"
-       << "       Destination                 | Sequence Number |  Dst PAN id | Frame type    |\n";
+       << "    Destination    |"
+       << "    Sequence Number    |"
+       << "    Dst PAN id    |"
+       << "    Frame type    |\n";
 
-    for (uint32_t i = 0; i < m_indTxQueue.size(); i++)
+    for (auto transaction : m_txQueue)
     {
-        m_txQueue[i]->txQPkt->PeekHeader(peekedMacHdr);
+        transaction->txQPkt->PeekHeader(peekedMacHdr);
 
         os << "[" << peekedMacHdr.GetShortDstAddr() << "]"
            << ", [" << peekedMacHdr.GetExtDstAddr() << "]        "
@@ -2983,15 +2989,15 @@ LrWpanMac::PrintTxQueue(std::ostream& os) const
 
         if (peekedMacHdr.IsCommand())
         {
-            os << "Cmd Frame    ";
+            os << " Command Frame   ";
         }
         else if (peekedMacHdr.IsData())
         {
-            os << "Data Frame   ";
+            os << " Data Frame      ";
         }
         else
         {
-            os << "Unk Frame    ";
+            os << " Unknown Frame   ";
         }
 
         os << "\n";
diff --git a/src/lr-wpan/model/lr-wpan-mac.h b/src/lr-wpan/model/lr-wpan-mac.h
index 02022f19e..7e4d3a90b 100644
--- a/src/lr-wpan/model/lr-wpan-mac.h
+++ b/src/lr-wpan/model/lr-wpan-mac.h
@@ -1584,7 +1584,7 @@ class LrWpanMac : public Object
      * Print the Pending transaction list.
      * \param os The reference to the output stream used by this print function.
      */
-    void PrintPendTxQ(std::ostream& os) const;
+    void PrintPendingTxQueue(std::ostream& os) const;
 
     /**
      * Print the Transmit Queue.