diff --git a/src/ripple/resource/api/Fees.h b/src/ripple/resource/api/Fees.h
index f9b957ea4..1c34f6557 100644
--- a/src/ripple/resource/api/Fees.h
+++ b/src/ripple/resource/api/Fees.h
@@ -40,6 +40,7 @@ extern Charge const feeLightRPC;              // A normal RPC command
 extern Charge const feeLowBurdenRPC;          // A slightly burdensome RPC load
 extern Charge const feeMediumBurdenRPC;       // A somewhat burdensome RPC load
 extern Charge const feeHighBurdenRPC;         // A very burdensome RPC load
+extern Charge const feePathFindUpdate;        // An update to an existing PF request
 
 // Good things
 extern Charge const feeNewTrustedNote;        // A new transaction/validation/proposal we trust
diff --git a/src/ripple/resource/impl/Fees.cpp b/src/ripple/resource/impl/Fees.cpp
index a8891f916..998c8b2a2 100644
--- a/src/ripple/resource/impl/Fees.cpp
+++ b/src/ripple/resource/impl/Fees.cpp
@@ -34,6 +34,7 @@ Charge const feeLightRPC          (   5, "light RPC"              ); // DAVID: C
 Charge const feeLowBurdenRPC      (  20, "low RPC"                );
 Charge const feeMediumBurdenRPC   (  40, "medium RPC"             );
 Charge const feeHighBurdenRPC     ( 300, "heavy RPC"              );
+Charge const feePathFindUpdate    ( 100, "path update"            );
 
 Charge const feeNewTrustedNote    (  10, "trusted note"           );
 Charge const feeNewValidTx        (  10, "valid tx"               );
diff --git a/src/ripple_app/paths/PathRequests.cpp b/src/ripple_app/paths/PathRequests.cpp
index ca9543601..c6e36e817 100644
--- a/src/ripple_app/paths/PathRequests.cpp
+++ b/src/ripple_app/paths/PathRequests.cpp
@@ -86,11 +86,15 @@ void PathRequests::updateAll (Ledger::ref inLedger, CancelCallback shouldCancel)
                     InfoSub::pointer ipSub = pRequest->getSubscriber ();
                     if (ipSub)
                     {
-                        Json::Value update = pRequest->doUpdate (cache, false);
-                        update["type"] = "path_find";
-                        ipSub->send (update, false);
-                        remove = false;
-                        ++processed;
+                        ipSub->getConsumer ().charge (Resource::feePathFindUpdate);
+                        if (!ipSub->getConsumer ().warn ())
+                        {
+                            Json::Value update = pRequest->doUpdate (cache, false);
+                            update["type"] = "path_find";
+                            ipSub->send (update, false);
+                            remove = false;
+                            ++processed;
+                        }
                     }
                 }
             }