diff --git a/linuxdoom-1.10/i_sound.cpp b/linuxdoom-1.10/i_sound.cpp
index 93d6a08..a750565 100644
--- a/linuxdoom-1.10/i_sound.cpp
+++ b/linuxdoom-1.10/i_sound.cpp
@@ -45,7 +45,6 @@ import wad;
 import argv;
 import doomdef;
 
-
 // Update all 30 millisecs, approx. 30fps synchronized.
 // Linux resolution is allegedly 10 millisecs,
 //  scale is microseconds.
@@ -356,7 +355,14 @@ void I_SetMusicVolume(int volume) {
 // Retrieve the raw data lump index
 //  for a given SFX name.
 //
-int I_GetSfxLumpNum(sfxinfo_t *sfx) { return W_GetNumForName(sfx->name); }
+int I_GetSfxLumpNum(sfxinfo_t *sfx) {
+  if (W_CheckNumForName(sfx->name) != -1) {
+    return W_GetNumForName(sfx->name);
+  } else {
+    I_Debug("Failed getting sfx lump number for: {}", sfx->name);
+    return -1;
+  }
+}
 
 //
 // Starting a sound means adding it
@@ -562,7 +568,7 @@ void I_ShutdownSound(void) {
   I_SoundDelTimer();
 
   // Cleaning up -releasing the DSP device.
-  //close(audio_fd);
+  // close(audio_fd);
 
   // Done.
   return;
@@ -578,27 +584,27 @@ void I_InitSound() {
   // Secure and configure sound device first.
   fprintf(stderr, "I_InitSound: ");
 
-  //audio_fd = open("/dev/dsp", O_WRONLY);
-  //if (audio_fd < 0)
-  //  fprintf(stderr, "Could not open /dev/dsp\n");
+  // audio_fd = open("/dev/dsp", O_WRONLY);
+  // if (audio_fd < 0)
+  //   fprintf(stderr, "Could not open /dev/dsp\n");
 
   i = 11 | (2 << 16);
-  //myioctl(audio_fd, SNDCTL_DSP_SETFRAGMENT, &i);
-  //myioctl(audio_fd, SNDCTL_DSP_RESET, 0);
+  // myioctl(audio_fd, SNDCTL_DSP_SETFRAGMENT, &i);
+  // myioctl(audio_fd, SNDCTL_DSP_RESET, 0);
 
   i = SAMPLERATE;
 
-  //myioctl(audio_fd, SNDCTL_DSP_SPEED, &i);
+  // myioctl(audio_fd, SNDCTL_DSP_SPEED, &i);
 
   i = 1;
-  //myioctl(audio_fd, SNDCTL_DSP_STEREO, &i);
+  // myioctl(audio_fd, SNDCTL_DSP_STEREO, &i);
 
-  //myioctl(audio_fd, SNDCTL_DSP_GETFMTS, &i);
+  // myioctl(audio_fd, SNDCTL_DSP_GETFMTS, &i);
 
-  //if (i &= AFMT_S16_LE)
-    //myioctl(audio_fd, SNDCTL_DSP_SETFMT, &i);
-  //else
-    //fprintf(stderr, "Could not play signed 16 data\n");
+  // if (i &= AFMT_S16_LE)
+  // myioctl(audio_fd, SNDCTL_DSP_SETFMT, &i);
+  // else
+  // fprintf(stderr, "Could not play signed 16 data\n");
 
   fprintf(stderr, " configured audio device\n");
 
@@ -609,7 +615,7 @@ void I_InitSound() {
     // Alias? Example is the chaingun sound linked to pistol.
     if (!S_sfx[i].link) {
       // Load data from WAD file.
-      //S_sfx[i].data = getsfx(S_sfx[i].name, &lengths[i]);
+      // S_sfx[i].data = getsfx(S_sfx[i].name, &lengths[i]);
     } else {
       // Previously loaded already?
       S_sfx[i].data = S_sfx[i].link->data;