diff --git a/constants/sfx_constants.asm b/constants/sfx_constants.asm
index f9226dc74..37fd908db 100644
--- a/constants/sfx_constants.asm
+++ b/constants/sfx_constants.asm
@@ -128,7 +128,7 @@
 	const SFX_SWEET_KISS                  ; 7c
 	const SFX_SWEET_KISS_2                ; 7d
 	const SFX_BELLY_DRUM                  ; 7e
-	const SFX_UNKNOWN_7F                  ; 7f
+	const SFX_TOXIC                       ; 7f
 	const SFX_SLUDGE_BOMB                 ; 80
 	const SFX_FORESIGHT                   ; 81
 	const SFX_SPITE                       ; 82
diff --git a/data/moves/animations.asm b/data/moves/animations.asm
index cef14f5ab..95518af3d 100644
--- a/data/moves/animations.asm
+++ b/data/moves/animations.asm
@@ -4738,13 +4738,13 @@ BattleAnim_SludgeBomb_branch_cbc15:
 BattleAnim_Sludge_branch_cbc15:
 BattleAnim_Toxic_branch_cbc15:
 .loop
-	anim_sound 0, 1, SFX_UNKNOWN_7F
+	anim_sound 0, 1, SFX_TOXIC
 	anim_obj ANIM_OBJ_1A, 132, 72, $0
 	anim_wait 8
-	anim_sound 0, 1, SFX_UNKNOWN_7F
+	anim_sound 0, 1, SFX_TOXIC
 	anim_obj ANIM_OBJ_1A, 116, 72, $0
 	anim_wait 8
-	anim_sound 0, 1, SFX_UNKNOWN_7F
+	anim_sound 0, 1, SFX_TOXIC
 	anim_obj ANIM_OBJ_1A, 148, 72, $0
 	anim_wait 8
 	anim_loop 5, .loop