diff --git a/network/ConcreteNetwork.cc b/network/ConcreteNetwork.cc
index becf592f..be2facce 100644
--- a/network/ConcreteNetwork.cc
+++ b/network/ConcreteNetwork.cc
@@ -1112,7 +1112,7 @@ ConcreteNetwork::mergeInto(Net *net,
   ConcreteNet *cnet = reinterpret_cast<ConcreteNet*>(net);
   ConcreteNet *cinto_net = reinterpret_cast<ConcreteNet*>(into_net);
   cnet->mergeInto(cinto_net);
-  clearNetDrvPinrMap();
+  clearNetDrvrPinMap();
 }
 
 Net *
@@ -1325,7 +1325,7 @@ ConcreteNetwork::connectNetPin(ConcreteNet *cnet,
 	drvrs->insert(pin);
     }
     else
-      clearNetDrvPinrMap();
+      clearNetDrvrPinMap();
   }
 }
 
@@ -1339,7 +1339,7 @@ ConcreteNetwork::disconnectPin(Pin *pin)
       ConcreteNet *cnet = cterm->net_;
       if (cnet) {
 	cnet->deleteTerm(cterm);
-	clearNetDrvPinrMap();
+	clearNetDrvrPinMap();
       }
       cpin->term_ = nullptr;
       delete cterm;
@@ -1371,7 +1371,7 @@ ConcreteNetwork::disconnectNetPin(ConcreteNet *cnet,
 	drvrs->erase(pin);
     }
     else
-      clearNetDrvPinrMap();
+      clearNetDrvrPinMap();
   }
 }
 
@@ -1832,7 +1832,7 @@ ConcreteNetwork::readNetlistBefore()
 {
   clearConstantNets();
   deleteTopInstance();
-  clearNetDrvPinrMap();
+  clearNetDrvrPinMap();
 }
 
 void
@@ -1841,7 +1841,7 @@ ConcreteNetwork::setTopInstance(Instance *top_inst)
   if (top_instance_) {
     deleteInstance(top_instance_);
     clearConstantNets();
-    clearNetDrvPinrMap();
+    clearNetDrvrPinMap();
   }
   top_instance_ = top_inst;
 }
diff --git a/network/Network.cc b/network/Network.cc
index c86c9d9a..fc55e2a4 100644
--- a/network/Network.cc
+++ b/network/Network.cc
@@ -40,7 +40,7 @@ void
 Network::clear()
 {
   default_liberty_ = nullptr;
-  clearNetDrvPinrMap();
+  clearNetDrvrPinMap();
 }
 
 bool
@@ -1449,7 +1449,7 @@ Network::drivers(const Pin *pin)
 }
 
 void
-Network::clearNetDrvPinrMap()
+Network::clearNetDrvrPinMap()
 {
   net_drvr_pin_map_.deleteContentsClear();
 }
diff --git a/network/Network.hh b/network/Network.hh
index f6729d7e..35e58138 100644
--- a/network/Network.hh
+++ b/network/Network.hh
@@ -464,7 +464,7 @@ protected:
   // Connect/disconnect net/pins should clear the net->drvrs map.
   // Incrementally maintaining the map is expensive because 
   // nets may be connected across hierarchy levels.
-  void clearNetDrvPinrMap();
+  void clearNetDrvrPinMap();
 
   LibertyLibrary *default_liberty_;
   char divider_;