diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index daa8b5aa4..f907ba12f 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -6745,6 +6745,7 @@ bool P_CheckMissileSpawn (AActor* th, double maxdist)
 
 	newpos = th->Vec3Offset(newpos);
 	th->SetXYZ(newpos);
+	th->Sector = P_PointInSector(th->Pos());
 
 	FCheckPosition tm(!!(th->flags2 & MF2_RIP));