diff --git a/cpp_src/device/lasp_streammgr.cpp b/cpp_src/device/lasp_streammgr.cpp
index 526e0c8..3b328c7 100644
--- a/cpp_src/device/lasp_streammgr.cpp
+++ b/cpp_src/device/lasp_streammgr.cpp
@@ -107,37 +107,12 @@ void StreamMgr::rescanDAQDevices(bool background,
     _pool.push_task(&StreamMgr::rescanDAQDevices_impl, this, callback);
   }
 }
-#if LASP_HAS_PORTAUDIO && LASP_HAS_PA_ALSA
-#include <alsa/asoundlib.h>
-void empty_handler(const char *file, int line, const char *function, int err,
-                   const char *fmt, ...) {}
-
-// Temporarily set the ALSA eror handler to something that does nothing, to
-// prevent ALSA from spitting out all kinds of misconfiguration errors.
-class MuteErrHandler {
- private:
-  snd_lib_error_handler_t _default_handler;
-
- public:
-  explicit MuteErrHandler() {
-    _default_handler = snd_lib_error;
-    snd_lib_error_set_handler(empty_handler);
-  }
-
-  ~MuteErrHandler() { snd_lib_error_set_handler(_default_handler); }
-};
-#else
-// Does nothin in case of no ALSA
-class MuteErrHandler {};
-#endif
-
 void StreamMgr::rescanDAQDevices_impl(std::function<void()> callback) {
   DEBUGTRACE_ENTER;
   assert(!_inputStream && !_outputStream);
   Lck lck(_mtx);
   // Alsa spits out annoying messages that are not useful
   {
-    MuteErrHandler guard;
 
     _devices = DeviceInfo::getDeviceInfo();
   }
diff --git a/cpp_src/device/portaudio/lasp_portaudiodaq.cpp b/cpp_src/device/portaudio/lasp_portaudiodaq.cpp
index 05e7cc7..e22c461 100644
--- a/cpp_src/device/portaudio/lasp_portaudiodaq.cpp
+++ b/cpp_src/device/portaudio/lasp_portaudiodaq.cpp
@@ -16,6 +16,33 @@ using std::endl;
 using std::string;
 using std::to_string;
 
+#if LASP_HAS_PA_ALSA
+#include <alsa/asoundlib.h>
+void empty_handler(const char *file, int line, const char *function, int err,
+                   const char *fmt, ...) {
+
+                    // cerr << "Test empty error handler...\n";
+                   }
+
+// Temporarily set the ALSA eror handler to something that does nothing, to
+// prevent ALSA from spitting out all kinds of misconfiguration errors.
+class MuteErrHandler {
+ private:
+  snd_lib_error_handler_t _default_handler;
+
+ public:
+  explicit MuteErrHandler() {
+    _default_handler = snd_lib_error;
+    snd_lib_error_set_handler(empty_handler);
+  }
+
+  ~MuteErrHandler() { snd_lib_error_set_handler(_default_handler); }
+};
+#else
+// Does nothin in case of no ALSA
+class MuteErrHandler {};
+#endif
+
 inline void throwIfError(PaError e) {
   DEBUGTRACE_ENTER;
   if (e != paNoError) {
@@ -44,6 +71,7 @@ class OurPaDeviceInfo : public DeviceInfo {
 void fillPortAudioDeviceInfo(DeviceInfoList &devinfolist) {
   DEBUGTRACE_ENTER;
   bool shouldPaTerminate = false;
+  MuteErrHandler guard;
   try {
     PaError err = Pa_Initialize();
     /// PortAudio says that Pa_Terminate() should not be called whenever there
@@ -348,6 +376,7 @@ PortAudioDaq::PortAudioDaq(const OurPaDeviceInfo &devinfo_gen,
 void PortAudioDaq::start(InDaqCallback inCallback, OutDaqCallback outCallback) {
   DEBUGTRACE_ENTER;
   assert(_stream);
+  MuteErrHandler guard;
 
   if (Pa_IsStreamActive(_stream)) {
     throw rte("Stream is already running");