diff --git a/dlls/rpcrt4/rpc_binding.c b/dlls/rpcrt4/rpc_binding.c
index a6cfb6aed1d..dd9571e16e9 100644
--- a/dlls/rpcrt4/rpc_binding.c
+++ b/dlls/rpcrt4/rpc_binding.c
@@ -1949,3 +1949,13 @@ RPC_STATUS WINAPI RpcBindingSetOption(RPC_BINDING_HANDLE BindingHandle, ULONG Op
     }
     return RPC_S_OK;
 }
+
+/***********************************************************************
+ *             I_RpcBindingInqLocalClientPID (RPCRT4.@)
+ */
+
+RPC_STATUS WINAPI I_RpcBindingInqLocalClientPID(RPC_BINDING_HANDLE ClientBinding, ULONG *ClientPID)
+{
+    FIXME("%p %p: stub\n", ClientBinding, ClientPID);
+    return RPC_S_INVALID_BINDING;
+}
diff --git a/dlls/rpcrt4/rpcrt4.spec b/dlls/rpcrt4/rpcrt4.spec
index 00fe7c4ee34..378b277f411 100644
--- a/dlls/rpcrt4/rpcrt4.spec
+++ b/dlls/rpcrt4/rpcrt4.spec
@@ -29,7 +29,7 @@
 @ stub I_RpcBindingInqDynamicEndPoint
 @ stub I_RpcBindingInqDynamicEndPointA
 @ stub I_RpcBindingInqDynamicEndPointW
-@ stub I_RpcBindingInqLocalClientPID # wxp
+@ stdcall I_RpcBindingInqLocalClientPID(ptr ptr)
 @ stub I_RpcBindingInqSecurityContext
 @ stdcall I_RpcBindingInqTransportType(ptr ptr)
 @ stub I_RpcBindingInqWireIdForSnego
diff --git a/include/rpcdcep.h b/include/rpcdcep.h
index fd0acda235e..bf518064553 100644
--- a/include/rpcdcep.h
+++ b/include/rpcdcep.h
@@ -220,6 +220,9 @@ RPCRTAPI UINT RPC_ENTRY
 
 #endif
 
+RPCRTAPI RPC_STATUS RPC_ENTRY
+  I_RpcBindingInqLocalClientPID (RPC_BINDING_HANDLE Binding, ULONG *Pid );
+
 RPCRTAPI RPC_STATUS RPC_ENTRY
   I_RpcBindingInqTransportType( RPC_BINDING_HANDLE Binding, unsigned int* Type );