diff --git a/include/wx/propgrid/propgridiface.h b/include/wx/propgrid/propgridiface.h
index c8554d7195..d1c0ec8661 100644
--- a/include/wx/propgrid/propgridiface.h
+++ b/include/wx/propgrid/propgridiface.h
@@ -469,7 +469,7 @@ public:
     /** Returns help string associated with a property. */
     wxString GetPropertyHelpString( wxPGPropArg id ) const
     {
-        wxPG_PROP_ARG_CALL_PROLOG_RETVAL(m_emptyString)
+        wxPG_PROP_ARG_CALL_PROLOG_RETVAL(wxEmptyString)
         return p->GetHelpString();
     }
 
diff --git a/src/propgrid/propgrid.cpp b/src/propgrid/propgrid.cpp
index 072156b596..5937dc77c1 100644
--- a/src/propgrid/propgrid.cpp
+++ b/src/propgrid/propgrid.cpp
@@ -4376,7 +4376,7 @@ bool wxPropertyGrid::DoSelectProperty( wxPGProperty* p, unsigned int flags )
             {
                 // Clear help box - but only if it was written
                 // by us at previous time.
-                statusbar->SetStatusText( m_emptyString );
+                statusbar->SetStatusText(wxEmptyString);
                 m_iFlags &= ~(wxPG_FL_STRING_IN_STATUSBAR);
             }
         }
@@ -5152,14 +5152,14 @@ bool wxPropertyGrid::HandleMouseMove( int x, unsigned int y,
                         }
                         else
                         {
-                            SetToolTip( m_emptyString );
+                            SetToolTip(wxEmptyString);
                         }
 
                     }
                 }
                 else
                 {
-                    SetToolTip( m_emptyString );
+                    SetToolTip(wxEmptyString);
                 }
             }
         }