diff --git a/utils/helpview/src/helpview.cpp b/utils/helpview/src/helpview.cpp
index 6a74791cff..64db2d8d52 100644
--- a/utils/helpview/src/helpview.cpp
+++ b/utils/helpview/src/helpview.cpp
@@ -407,14 +407,12 @@ hvConnection::~hvConnection()
     wxGetApp().GetConnections().DeleteObject(this);
 }
 
-bool hvConnection::OnExecute(const wxString& WXUNUSED(topic),
-                             wxChar *data,
-                             int WXUNUSED(size),
-                             wxIPCFormat WXUNUSED(format))
+bool hvConnection::OnExec(const wxString& WXUNUSED(topic),
+                          const wxString& data)
 {
     //    wxLogStatus("Execute command: %s", data);
 
-    if ( !wxStrncmp( data, wxT("--intstring"), 11 ) )
+    if ( data == "--intstring" )
     {
         long i;
         wxString argStr = data;
diff --git a/utils/helpview/src/helpview.h b/utils/helpview/src/helpview.h
index bd1de5fd6c..2c789b0fdb 100644
--- a/utils/helpview/src/helpview.h
+++ b/utils/helpview/src/helpview.h
@@ -67,7 +67,7 @@ public:
     hvConnection();
     virtual ~hvConnection();
 
-    bool OnExecute(const wxString& topic, wxChar*data, int size, wxIPCFormat format);
+    bool OnExec(const wxString& topic, const wxString& data);
     wxChar *OnRequest(const wxString& topic, const wxString& item, int *size, wxIPCFormat format);
     bool OnPoke(const wxString& topic, const wxString& item, wxChar *data, int size, wxIPCFormat format);
     bool OnStartAdvise(const wxString& topic, const wxString& item);