diff --git a/CMakeLists.txt b/CMakeLists.txt
index 13d19460..5a41081d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -28,6 +28,7 @@ option(OPT_BUILD_RFNM_SOURCE "Build RFNM Source Module (Dependencies: librfnm)"
 option(OPT_BUILD_RFSPACE_SOURCE "Build RFspace Source Module (no dependencies required)" ON)
 option(OPT_BUILD_RTL_SDR_SOURCE "Build RTL-SDR Source Module (Dependencies: librtlsdr)" ON)
 option(OPT_BUILD_RTL_TCP_SOURCE "Build RTL-TCP Source Module (no dependencies required)" ON)
+option(OPT_BUILD_SDDC_SOURCE "Build SDDC Source Module (Dependencies: libsddc)" ON)
 option(OPT_BUILD_SDRPP_SERVER_SOURCE "Build SDR++ Server Source Module (no dependencies required)" ON)
 option(OPT_BUILD_SDRPLAY_SOURCE "Build SDRplay Source Module (Dependencies: libsdrplay)" OFF)
 option(OPT_BUILD_SOAPY_SOURCE "Build SoapySDR Source Module (Dependencies: soapysdr)" OFF)
@@ -197,6 +198,10 @@ if (OPT_BUILD_RTL_TCP_SOURCE)
 add_subdirectory("source_modules/rtl_tcp_source")
 endif (OPT_BUILD_RTL_TCP_SOURCE)
 
+if (OPT_BUILD_SDDC_SOURCE)
+add_subdirectory("source_modules/sddc_source")
+endif (OPT_BUILD_SDDC_SOURCE)
+
 if (OPT_BUILD_SDRPP_SERVER_SOURCE)
 add_subdirectory("source_modules/sdrpp_server_source")
 endif (OPT_BUILD_SDRPP_SERVER_SOURCE)
diff --git a/core/src/signal_path/source.cpp b/core/src/signal_path/source.cpp
index d3a2a90a..a4b08afe 100644
--- a/core/src/signal_path/source.cpp
+++ b/core/src/signal_path/source.cpp
@@ -85,7 +85,7 @@ void SourceManager::tune(double freq) {
         return;
     }
     // TODO: No need to always retune the hardware in Panadapter mode
-    selectedHandler->tuneHandler(((tuneMode == TuningMode::NORMAL) ? freq : ifFreq) + tuneOffset, selectedHandler->ctx);
+    selectedHandler->tuneHandler(abs(((tuneMode == TuningMode::NORMAL) ? freq : ifFreq) + tuneOffset), selectedHandler->ctx);
     onRetune.emit(freq);
     currentFreq = freq;
 }