diff --git a/src/k_rank.h b/src/k_rank.h
index 4d6974006..c69270bf7 100644
--- a/src/k_rank.h
+++ b/src/k_rank.h
@@ -53,6 +53,7 @@ struct gpRank_t
 	UINT32 totalLaps;
 
 	UINT32 continuesUsed;
+	UINT32 specialDamage;
 
 	UINT32 prisons;
 	UINT32 totalPrisons;
diff --git a/src/objects/ufo.c b/src/objects/ufo.c
index dd1e8958e..cc6216df1 100644
--- a/src/objects/ufo.c
+++ b/src/objects/ufo.c
@@ -29,6 +29,7 @@
 #include "../k_hitlag.h"
 #include "../acs/interface.h"
 #include "../hu_stuff.h"
+#include "../k_grandprix.h"
 
 #define UFO_BASE_SPEED (42 * FRACUNIT) // UFO's slowest speed.
 #define UFO_SPEEDUP (FRACUNIT >> 1) // Acceleration
@@ -935,6 +936,12 @@ boolean Obj_SpecialUFODamage(mobj_t *ufo, mobj_t *inflictor, mobj_t *source, UIN
 
 	ufo->health = max(1, ufo->health - damage);
 
+	if (grandprixinfo.gp)
+	{
+		grandprixinfo.rank.specialDamage += damage;
+		CONS_Printf("new damage %d: %d\n", damage, grandprixinfo.rank.specialDamage);
+	}
+
 	K_SetHitLagForObjects(ufo, inflictor, source, (damage / 3) + 2, true);
 	UFOCopyHitlagToPieces(ufo);
 
@@ -1339,6 +1346,11 @@ static mobj_t *InitSpecialUFO(waypoint_t *start)
 	P_SetTarget(&ufo_piece_prev(piece), prevPiece);
 	prevPiece = piece;
 
+	if (grandprixinfo.gp && grandprixinfo.rank.specialDamage)
+	{
+		ufo->health -= min(70, grandprixinfo.rank.specialDamage/2);
+	}
+
 	return ufo;
 }
 
diff --git a/src/p_saveg.c b/src/p_saveg.c
index bef745fdb..4c270cbaa 100644
--- a/src/p_saveg.c
+++ b/src/p_saveg.c
@@ -6136,6 +6136,7 @@ static inline void P_ArchiveMisc(savebuffer_t *save)
 		WRITEUINT32(save->p, rank->totalLaps);
 
 		WRITEUINT32(save->p, (rank->continuesUsed + 1));
+		WRITEUINT32(save->p, rank->specialDamage);
 
 		WRITEUINT32(save->p, rank->prisons);
 		WRITEUINT32(save->p, rank->totalPrisons);
@@ -6394,6 +6395,7 @@ static boolean P_UnArchiveSPGame(savebuffer_t *save)
 		rank->totalLaps = READUINT32(save->p);
 
 		rank->continuesUsed = READUINT32(save->p);
+		rank->specialDamage = READUINT32(save->p);
 
 		rank->prisons = READUINT32(save->p);
 		rank->totalPrisons = READUINT32(save->p);