diff --git a/common/hotkeys_basic.cpp b/common/hotkeys_basic.cpp
index e4fae9c012..aca3aa9faa 100644
--- a/common/hotkeys_basic.cpp
+++ b/common/hotkeys_basic.cpp
@@ -624,7 +624,7 @@ int ReadHotkeyConfigFile( const wxString& aFilename, struct EDA_HOTKEY_CONFIG* a
     // read data
     std::vector<char> buffer( size );
     cfgfile.Read( buffer.data(), size );
-    wxString data( buffer.data(), wxConvUTF8 );
+    wxString data( buffer.data(), wxConvUTF8, size );
 
     // Is this the wxConfig format? If so, remove "Keys=" and parse the newlines.
     if( data.StartsWith( wxT("Keys="), &data ) )