diff --git a/src/cpp/ALSA_support.cpp b/src/cpp/ALSA_support.cpp
index 998260dade50947374ed94d064b839caa6574c84..81a5e27f4b34296fb9817ff6f645ae5df2c93fbd 100644
--- a/src/cpp/ALSA_support.cpp
+++ b/src/cpp/ALSA_support.cpp
@@ -65,6 +65,7 @@ DSP::ALSA_object_t::~ALSA_object_t()
   buffers_8bit.clear();
   buffers_16bit.clear();
   buffers_32bit.clear();
+  buffers_32bit_f.clear();
   buffers_64bit.clear();
   pcm_buffer.clear();
   pcm_buffer_size_in_frames.clear();