diff --git a/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/SoundGroupGenerator.kt b/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/SoundGroupGenerator.kt
index 988c3f3..b7daef0 100644
--- a/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/SoundGroupGenerator.kt
+++ b/src/main/kotlin/de/bixilon/pixlyzer/generator/generators/SoundGroupGenerator.kt
@@ -20,7 +20,10 @@ object SoundGroupGenerator : Generator(
                 continue
             }
             val data = compound()
-            val group = field.get(null) as BlockSoundGroup
+            val group = field.get(null)
+            if (group !is BlockSoundGroup) {
+                continue
+            }
             val id = ids.size
             ids[group] = id
 
@@ -30,6 +33,7 @@ object SoundGroupGenerator : Generator(
             if (group.volume != 1.0f) {
                 data["sound_type_pitch"] = group.pitch
             }
+            data["name"] = field.name.lowercase()
             data["break_sound_type"] = Registry.SOUND_EVENT.getRawId(group.breakSound)
             data["step_sound_type"] = Registry.SOUND_EVENT.getRawId(group.stepSound)
             data["place_sound_type"] = Registry.SOUND_EVENT.getRawId(group.placeSound)