diff -ur prboom-plus-2.5.1.4/src/SDL/i_sound.c prboom-plus-2.5.1.4-dwf/src/SDL/i_sound.c
--- prboom-plus-2.5.1.4/src/SDL/i_sound.c	2015-03-01 15:23:21.000000000 -0500
+++ prboom-plus-2.5.1.4-dwf/src/SDL/i_sound.c	2016-03-13 17:58:15.528374050 -0400
@@ -595,6 +595,7 @@
   int audio_channels;
   int audio_buffers;
   SDL_AudioSpec audio;
+  const char *filename;
 
   // haleyjd: the docs say we should do this
   if (SDL_InitSubSystem(SDL_INIT_AUDIO))
@@ -620,6 +621,11 @@
     SAMPLECOUNT = 512;
     audio_buffers = SAMPLECOUNT*snd_samplerate/11025;
 
+    if (Mix_Init(MIX_INIT_FLUIDSYNTH) == 0)
+      lprintf (LO_INFO, "Mix_Init failed\n");
+    filename = I_FindFile2(snd_soundfont, ".sf2");
+    if (Mix_SetSoundFonts(filename) == 0)
+      lprintf (LO_INFO, "Mix_SetSoundFonts failed\n");
     if (Mix_OpenAudio(audio_rate, MIX_DEFAULT_FORMAT, audio_channels, audio_buffers) < 0)
     {
       lprintf(LO_INFO,"couldn't open audio with desired format (%s)\n", SDL_GetError());