diff --git a/crlcore/python/helpers/overlay.py b/crlcore/python/helpers/overlay.py
index 1e62fa45..b59a3877 100644
--- a/crlcore/python/helpers/overlay.py
+++ b/crlcore/python/helpers/overlay.py
@@ -62,6 +62,8 @@ class Configuration:
                 Cfg.getParamEnumerate(attr).setInt( val )
             else:
                 Cfg.getParamInt(attr).setInt( val )
+        elif isinstance(val, float):
+            p = Cfg.getParamDouble( attr ).setDouble( val )
         elif '%' in val:
             Cfg.getParamPercentage(attr).setPercentage( float(val[:-1]) )
         else:
diff --git a/vlsisapd/src/configuration/src/PyConfiguration.cpp b/vlsisapd/src/configuration/src/PyConfiguration.cpp
index 6ab0a657..4e587533 100644
--- a/vlsisapd/src/configuration/src/PyConfiguration.cpp
+++ b/vlsisapd/src/configuration/src/PyConfiguration.cpp
@@ -210,6 +210,7 @@ namespace Cfg {
         .def("asPercentageString", &Parameter::asPercentageString)
         .def("asBool"            , &Parameter::asBool)
         .def("asInt"             , &Parameter::asInt)
+        .def("asDouble"          , &Parameter::asDouble)
         .def("asPercentage"      , &Parameter::asPercentage)
         .def("getSlaves"         , &Parameter::getSlaves, return_value_policy<reference_existing_object>())
         .def("getValues"         , &Parameter::getValues, return_value_policy<reference_existing_object>())