diff --git a/runelite-api/src/main/java/net/runelite/api/AnimationID.java b/runelite-api/src/main/java/net/runelite/api/AnimationID.java
index fc0911974f..a3522dbeed 100644
--- a/runelite-api/src/main/java/net/runelite/api/AnimationID.java
+++ b/runelite-api/src/main/java/net/runelite/api/AnimationID.java
@@ -82,6 +82,7 @@ public final class AnimationID
 	public static final int FISHING_HARPOON = 618;
 	public static final int FISHING_BARBTAIL_HARPOON = 5108;
 	public static final int FISHING_DRAGON_HARPOON = 7401;
+	public static final int FISHING_INFERNAL_HARPOON = 7402;
 	public static final int FISHING_OILY_ROD = 622;
 	public static final int FISHING_KARAMBWAN = 1193;
 	public static final int FISHING_CRUSHING_INFERNAL_EELS = 7553;
diff --git a/runelite-client/src/main/java/net/runelite/client/plugins/idlenotifier/IdleNotifierPlugin.java b/runelite-client/src/main/java/net/runelite/client/plugins/idlenotifier/IdleNotifierPlugin.java
index 631a9d654e..c39cacc368 100644
--- a/runelite-client/src/main/java/net/runelite/client/plugins/idlenotifier/IdleNotifierPlugin.java
+++ b/runelite-client/src/main/java/net/runelite/client/plugins/idlenotifier/IdleNotifierPlugin.java
@@ -145,6 +145,7 @@ public class IdleNotifierPlugin extends Plugin
 			case FISHING_DRAGON_HARPOON:
 			case FISHING_CAGE:
 			case FISHING_POLE_CAST:
+			case FISHING_INFERNAL_HARPOON:
 			case FISHING_OILY_ROD:
 			case FISHING_KARAMBWAN:
 			case FISHING_CRUSHING_INFERNAL_EELS: