diff --git a/clientgui/AsyncRPC.cpp b/clientgui/AsyncRPC.cpp
index 1d846bc300..0a78c99b76 100644
--- a/clientgui/AsyncRPC.cpp
+++ b/clientgui/AsyncRPC.cpp
@@ -152,7 +152,7 @@ void *RPCThread::Entry() {
         wxPostEvent( wxTheApp, RPC_done_event );
     }
 
-#ifndef __WXMSW__
+#ifndef __WXMSW__
     // Use a critical section to prevent a crash during 
     // manager shutdown due to a rare race condition 
     m_Doc->m_critsect.Enter();
@@ -438,7 +438,7 @@ int CMainDocument::RequestRPC(ASYNC_RPC_REQUEST& request, bool hasPriority) {
         request.isActive = false;
         current_rpc_request = request;
         current_rpc_request.isActive = true;
-#ifndef __WXMSW__
+#ifndef __WXMSW__
         m_RPCThread->Resume();
 #endif
 	}
@@ -711,7 +711,7 @@ void CMainDocument::OnRPCComplete(CRPCFinishedEvent& event) {
         RPC_requests[0].isActive = false;
         current_rpc_request = RPC_requests[0];
         current_rpc_request.isActive = true;
-#ifndef __WXMSW__
+#ifndef __WXMSW__
         m_RPCThread->Resume();
 #endif
 	}