diff --git a/src/p_map.c b/src/p_map.c
index bf668ba3e..fce002348 100644
--- a/src/p_map.c
+++ b/src/p_map.c
@@ -511,6 +511,7 @@ static void P_DoFanAndGasJet(mobj_t *spring, mobj_t *object)
 			if (spring->state != &states[S_STEAM1]) // Only when it bursts
 				break;
 
+			object->eflags |= MFE_SPRUNG;
 			object->momz = flipval*FixedMul(speed, FixedSqrt(FixedMul(spring->scale, object->scale))); // scale the speed with both objects' scales, just like with springs!
 
 			if (p)