diff --git a/.github/workflows/build_all.yml b/.github/workflows/build_all.yml
index 3654b8f0..178b93f8 100644
--- a/.github/workflows/build_all.yml
+++ b/.github/workflows/build_all.yml
@@ -122,7 +122,7 @@ jobs:
 
         - name: Prepare CMake
           working-directory: ${{runner.workspace}}/build
-          run: cmake -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 $GITHUB_WORKSPACE -DOPT_BUILD_PLUTOSDR_SOURCE=ON -DOPT_BUILD_SOAPY_SOURCE=OFF -DOPT_BUILD_BLADERF_SOURCE=ON -DOPT_BUILD_SDRPLAY_SOURCE=ON -DOPT_BUILD_LIMESDR_SOURCE=ON -DOPT_BUILD_AUDIO_SINK=OFF -DOPT_BUILD_PORTAUDIO_SINK=ON -DOPT_BUILD_NEW_PORTAUDIO_SINK=ON -DOPT_BUILD_M17_DECODER=ON -DOPT_BUILD_PERSEUS_SOURCE=ON -DOPT_BUILD_AUDIO_SOURCE=OFF -DUSE_BUNDLE_DEFAULTS=ON -DCMAKE_BUILD_TYPE=Release
+          run: cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_OSX_DEPLOYMENT_TARGET=10.15 $GITHUB_WORKSPACE -DOPT_BUILD_PLUTOSDR_SOURCE=ON -DOPT_BUILD_SOAPY_SOURCE=OFF -DOPT_BUILD_BLADERF_SOURCE=ON -DOPT_BUILD_SDRPLAY_SOURCE=ON -DOPT_BUILD_LIMESDR_SOURCE=ON -DOPT_BUILD_AUDIO_SINK=OFF -DOPT_BUILD_PORTAUDIO_SINK=ON -DOPT_BUILD_NEW_PORTAUDIO_SINK=ON -DOPT_BUILD_M17_DECODER=ON -DOPT_BUILD_PERSEUS_SOURCE=ON -DOPT_BUILD_AUDIO_SOURCE=OFF -DUSE_BUNDLE_DEFAULTS=ON -DCMAKE_BUILD_TYPE=Release
 
         - name: Build
           working-directory: ${{runner.workspace}}/build
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a9c67193..e5cce405 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -71,7 +71,7 @@ if (${CMAKE_BUILD_TYPE} MATCHES "Debug")
     if (MSVC)
         set(SDRPP_COMPILER_FLAGS /std:c++17 /EHsc)
     elseif (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
-        set(SDRPP_COMPILER_FLAGS -g -Og -std=c++17 -Wno-unused-command-line-argument -undefined dynamic_lookup)
+        set(SDRPP_COMPILER_FLAGS -g -Og -std=c++17 -Wno-unused-command-line-argument -undefined dynamic_lookup -fsanitize=address)
     else ()
         set(SDRPP_COMPILER_FLAGS -g -Og -std=c++17)
     endif ()