diff --git a/CMakeLists.txt b/CMakeLists.txt
index eb9c4ee9d59..436520b9392 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -851,7 +851,7 @@ Build `extern` dependencies with address sanitizer when WITH_COMPILER_ASAN is on
 Can cause linking issues due to too large binary size."
   OFF
 )
-mark_as_advanced(WITH_EXTERN_ASAN)
+mark_as_advanced(WITH_COMPILER_ASAN_EXTERN)
 
 if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_C_COMPILER_ID MATCHES "Clang")
   if(WITH_COMPILER_ASAN)
diff --git a/extern/audaspace/blender_config.cmake b/extern/audaspace/blender_config.cmake
index 476d82f1c81..4d34218e723 100644
--- a/extern/audaspace/blender_config.cmake
+++ b/extern/audaspace/blender_config.cmake
@@ -7,7 +7,7 @@ set(SHARED_LIBRARY FALSE)  # "Build Shared Library"
 set(WITH_C TRUE)  # "Build C Module"
 set(WITH_DOCS FALSE)  # "Build C++ HTML Documentation with Doxygen"
 set(WITH_FFMPEG ${WITH_CODEC_FFMPEG})  # "Build With FFMPEG"
-if(DEFINED WITH_FFTW3) # "Build With FFTW"
+if(DEFINED WITH_FFTW3 AND WITH_FFTW3) # "Build With FFTW"
   set(FFTW_FOUND TRUE)
   set(WITH_FFTW ${WITH_FFTW3})
   set(FFTW_INCLUDE_DIR ${FFTW3_INCLUDE_DIRS})