diff --git a/Code/ApplicationEngine/otbWrapperElevationParametersHandler.cxx b/Code/ApplicationEngine/otbWrapperElevationParametersHandler.cxx
index 2d36a23152aaecb83c4d4f1563a30329f3646fd7..d981d4132978be48c61495915c9461e63d55381e 100644
--- a/Code/ApplicationEngine/otbWrapperElevationParametersHandler.cxx
+++ b/Code/ApplicationEngine/otbWrapperElevationParametersHandler.cxx
@@ -138,7 +138,7 @@ bool
 ElevationParametersHandler::IsGeoidUsed(const Application::Pointer app, const std::string& key)
 {
   std::ostringstream geoidKey;
-  geoidKey<< key<<"dem.geoid";
+  geoidKey<< key<<".dem.geoid";
   
   return app->IsParameterEnabled(geoidKey.str()) && app->HasValue(geoidKey.str());
 }