diff --git a/source/games/blood/src/blood.cpp b/source/games/blood/src/blood.cpp
index 18a9cf4ee..7723b51bf 100644
--- a/source/games/blood/src/blood.cpp
+++ b/source/games/blood/src/blood.cpp
@@ -73,6 +73,7 @@ IMPLEMENT_POINTERS_END
 //
 //
 //---------------------------------------------------------------------------
+void MarkSprInSect();
 
 size_t DBloodActor::PropagateMark()
 {
@@ -90,6 +91,7 @@ static void markgcroots()
 	GC::MarkArray(gSightSpritesList, gSightSpritesCount);
 	GC::MarkArray(gPhysSpritesList, gPhysSpritesCount);
 	GC::MarkArray(gImpactSpritesList, gImpactSpritesCount);
+	MarkSprInSect();
 	for (auto& pl : gPlayer)
 	{
 		GC::Mark(pl.actor);
@@ -594,6 +596,7 @@ void GameInterface::loadPalette(void)
 void GameInterface::app_init()
 {
 	GC::AddMarkerFunc(markgcroots);
+
 	InitCheats();
 	memcpy(&gGameOptions, &gSingleGameOptions, sizeof(GAMEOPTIONS));
 	gGameOptions.nMonsterSettings = !userConfig.nomonsters;
diff --git a/source/games/blood/src/nnsprinsect.cpp b/source/games/blood/src/nnsprinsect.cpp
index 55dc4218c..e5bf19858 100644
--- a/source/games/blood/src/nnsprinsect.cpp
+++ b/source/games/blood/src/nnsprinsect.cpp
@@ -55,6 +55,10 @@ public:
     void Init(int nDist = kWallDist); // used in trInit to collect the sprites before translation
     void Serialize(FSerializer& pSave);
     TArray<TObjPtr<DBloodActor*>>* GetSprPtr(int nSector);
+	void Mark()
+	{
+		for (auto& entry : db) GC::MarkArray(entry.pActors);
+	}
 
 };
 
@@ -65,6 +69,11 @@ public:
 // --------------------------------------------------------------------------
 SPRINSECT gSprNSect;
 
+void MarkSprInSect()
+{
+	gSprNSect.Mark();
+}
+
 void SPRINSECT::Init(int nDist)
 {
     Free();