diff --git a/core/src/core.cpp b/core/src/core.cpp
index a82c97b5..c68d978e 100644
--- a/core/src/core.cpp
+++ b/core/src/core.cpp
@@ -200,7 +200,7 @@ int sdrpp_main(int argc, char* argv[]) {
     defConfig["moduleInstances"]["LimeSDR Source"]["module"] = "limesdr_source";
     defConfig["moduleInstances"]["LimeSDR Source"]["enabled"] = true;
     defConfig["moduleInstances"]["RFspace Source"]["module"] = "rfspace_source";
-    defConfig["moduleInstances"]["RTL-SDR Source"]["enabled"] = true;
+    defConfig["moduleInstances"]["RFspace Source"]["enabled"] = true;
     defConfig["moduleInstances"]["RTL-SDR Source"]["module"] = "rtl_sdr_source";
     defConfig["moduleInstances"]["RTL-SDR Source"]["enabled"] = true;
     defConfig["moduleInstances"]["RTL-TCP Source"]["module"] = "rtl_tcp_source";