diff --git a/src/g_shared/a_action.cpp b/src/g_shared/a_action.cpp
index ddfd23268..aed8457f8 100644
--- a/src/g_shared/a_action.cpp
+++ b/src/g_shared/a_action.cpp
@@ -142,21 +142,25 @@ void DCorpsePointer::OnDestroy ()
 	TThinkerIterator<DCorpsePointer> iterator (STAT_CORPSEPOINTER);
 	DCorpsePointer *first = iterator.Next ();
 
-	int prevCount = first->Count;
-
-	if (first == this)
+	// During a serialization unwind the thinker list won't be available.
+	if (first != nullptr)
 	{
-		first = iterator.Next ();
-	}
+		int prevCount = first->Count;
 
-	if (first != NULL)
-	{
-		first->Count = prevCount - 1;
-	}
+		if (first == this)
+		{
+			first = iterator.Next();
+		}
 
+		if (first != NULL)
+		{
+			first->Count = prevCount - 1;
+		}
+
+	}
 	if (Corpse != NULL)
 	{
-		Corpse->Destroy ();
+		Corpse->Destroy();
 	}
 	Super::OnDestroy();
 }
diff --git a/src/m_random.cpp b/src/m_random.cpp
index 60ce12fd6..697bb173f 100644
--- a/src/m_random.cpp
+++ b/src/m_random.cpp
@@ -156,6 +156,7 @@ FRandom::FRandom ()
 #endif
 	Next = RNGList;
 	RNGList = this;
+	Init(0);
 }
 
 //==========================================================================
@@ -199,6 +200,7 @@ FRandom::FRandom (const char *name)
 
 	Next = probe;
 	*prev = this;
+	Init(0);
 }
 
 //==========================================================================