diff --git a/interface/wx/xrc/xmlres.h b/interface/wx/xrc/xmlres.h
index bd676064a6..4098705329 100644
--- a/interface/wx/xrc/xmlres.h
+++ b/interface/wx/xrc/xmlres.h
@@ -642,6 +642,11 @@ protected:
     */
     long GetLong(const wxString& param, long defaultv = 0);
 
+    /**
+        Gets a float value from the parameter.
+    */
+    float GetFloat(const wxString& param, float defaultv = 0);
+
     /**
         Returns the resource name.
     */