diff --git a/extras/conf/D3R-Config.cfg b/extras/conf/D3R-Config.cfg
index 862fb0cf3..dac4b0135 100644
--- a/extras/conf/D3R-Config.cfg
+++ b/extras/conf/D3R-Config.cfg
@@ -5166,16 +5166,17 @@ thingtypes
 	duel
 	{
 		color = 4; // Red
-		arrow = 1;
+		arrow = 0;
 		title = "Duel Objects";
 		sprite = "SPBMA2A8";
-		width = 24;
-		height = 48;
 		flags1text = "[1] Spawn in all modes";
 
 		2050
 		{
 			title = "Duel Bomb";
+			width = 24;
+			height = 48;
+			arrow = 1;
 			flags8text = "[8] Flip strafe";
 		}
 
@@ -5226,6 +5227,14 @@ thingtypes
 			width = 45;
 			height = 32;
 		}
+
+		2057
+		{
+			title = "Pogo Spring";
+			sprite = "POGSA0";
+			width = 48;
+			height = 32;
+		}
 	}
 }
 
diff --git a/src/info.c b/src/info.c
index b05a20abc..7bdffe11d 100644
--- a/src/info.c
+++ b/src/info.c
@@ -8308,7 +8308,7 @@ mobjinfo_t mobjinfo[NUMMOBJTYPES] =
 	},
 
 	{           // MT_POGOSPRING
-		-1,             // doomednum
+		2057,           // doomednum
 		S_POGOSPRING1,  // spawnstate
 		1000,           // spawnhealth
 		S_POGOSPRING2B, // seestate
diff --git a/src/p_mobj.c b/src/p_mobj.c
index 5b9ea4c75..6e699cbf5 100644
--- a/src/p_mobj.c
+++ b/src/p_mobj.c
@@ -11575,6 +11575,7 @@ static boolean P_AllowMobjSpawn(mapthing_t* mthing, mobjtype_t i)
 		case MT_LANDMINE:
 		case MT_HYUDORO_CENTER:
 		case MT_DROPTARGET:
+		case MT_POGOSPRING:
 			{
 				// Duel objects.
 				// Normally only spawn when placed by the map in Duels,
@@ -12763,6 +12764,12 @@ static boolean P_SetupSpawnedMapThing(mapthing_t *mthing, mobj_t *mobj, boolean
 		Obj_InitHyudoroCenter(mobj, NULL);
 		break;
 	}
+	case MT_POGOSPRING:
+	{
+		// Start as tumble version.
+		mobj->reactiontime++;
+		break;
+	}
 	default:
 		break;
 	}