diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index e5ca7b0c84c43f0d46a1dd9722bd6cdfe1d1f65e..93a2393761b4e5a1fb72254fbfd5714637aad2bd 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -29,7 +29,7 @@ if ( CMAKE_CUDA_COMPILER )
 endif()
 add_subdirectory( domain_decomposition )
 add_subdirectory( executiontree )
-if ( FFTW3_FOUND )
+if ( WALBERLA_BUILD_WITH_FFT AND FFTW3_FOUND )
    add_subdirectory( fft )
 endif()
 add_subdirectory( field )