diff --git a/core/src/core.cpp b/core/src/core.cpp
index 86e89b5..0be3da2 100644
--- a/core/src/core.cpp
+++ b/core/src/core.cpp
@@ -118,7 +118,7 @@ int sdrpp_main(int argc, char *argv[]) {
     defConfig["fastFFT"] = false;
     defConfig["fftHeight"] = 300;
     defConfig["fftSize"] = 65536;
-    defConfig["fftWindow"] = 0;
+    defConfig["fftWindow"] = 1;
     defConfig["frequency"] = 100000000.0;
     defConfig["fullWaterfallUpdate"] = false;
     defConfig["max"] = 0.0;