diff --git a/src/drivers/fluid_jack.c b/src/drivers/fluid_jack.c
index 18495dfe..ee61e3e3 100644
--- a/src/drivers/fluid_jack.c
+++ b/src/drivers/fluid_jack.c
@@ -750,6 +750,7 @@ fluid_jack_driver_process(jack_nframes_t nframes, void *arg)
     }
     else
     {
+        int res;
         fluid_audio_func_t callback = (audio_driver->callback != NULL) ? audio_driver->callback : (fluid_audio_func_t) fluid_synth_process;
 
         for(i = 0; i < audio_driver->num_output_ports; i++)
@@ -776,12 +777,18 @@ fluid_jack_driver_process(jack_nframes_t nframes, void *arg)
             FLUID_MEMSET(audio_driver->fx_bufs[k], 0, nframes * sizeof(float));
         }
 
-        return callback(audio_driver->data,
+        res = callback(audio_driver->data,
                         nframes,
                         audio_driver->num_fx_ports * 2,
                         audio_driver->fx_bufs,
                         audio_driver->num_output_ports * 2,
                         audio_driver->output_bufs);
+        if(res != FLUID_OK)
+        {
+            const char *cb_func_name = (audio_driver->callback != NULL) ? "Custom audio callback function" : "fluid_synth_process()";
+            FLUID_LOG(FLUID_PANIC, "%s returned an error. As a consequence, fluidsynth will now be removed from Jack's processing loop.", cb_func_name);
+        }
+        return res;
     }
 }