diff --git a/main.cpp b/main.cpp
index 6c058da899b4e6a8946c4679971da445d3866e97..ece7c557814269dd7b822b5f8cc4e338b3875dbc 100644
--- a/main.cpp
+++ b/main.cpp
@@ -62,7 +62,7 @@ static void runSweep(const Config& config, eis::Model& model)
 	else if(config.extrapolate)
 	{
 		std::vector<fvalue> exrapolateOmegas = config.extrapolateRange.getRangeVector();
-		results = eis::fitToFrequencies(exrapolateOmegas, results);
+		results = eis::fitToFrequencies(exrapolateOmegas, results, true);
 		eis::Log(eis::Log::INFO)<<"extrapolated results:";
 	}
 	else