diff --git a/specs/usdf.txt b/specs/usdf.txt
index 1367ccfbf9..093c9e7d74 100644
--- a/specs/usdf.txt
+++ b/specs/usdf.txt
@@ -87,14 +87,16 @@ conversation // Starts a dialog.
 
     page // Starts a new page.  Pages are automatically numbered starting at 1.
     {
-        name   = <string>;  // Name that goes in the upper left hand corner
-        panel  = <string>;  // Name of lump to render as the background.
-        voice  = <string>;  // Narration sound lump.
-        dialog = <string>;  // Dialog of the page.
-        drop   = <integer>; // mobj for the object to drop if the actor is 
-                            // killed.
-        link   = <integer>; // Page to jump to if all ifitem conditions are
-                            // satisified.
+        name    = <string>;  // Name that goes in the upper left hand corner
+        panel   = <string>;  // Name of lump to render as the background.
+        voice   = <string>;  // Narration sound lump.
+        dialog  = <string>;  // Dialog of the page.
+	goodbye = <string>;  // Custom goodbye message. If omitted then the
+                             // generic goodbyes will be displayed instead.
+        drop    = <integer>; // mobj for the object to drop if the actor is 
+                             // killed.
+        link    = <integer>; // Page to jump to if all ifitem conditions are
+                             // satisified.
 
         // jumps to the specified page if the player has the specified amount 
         // or more of item in their inventory.  This can be repeated as many
diff --git a/src/namedef.h b/src/namedef.h
index 36953e385f..eab87c503b 100644
--- a/src/namedef.h
+++ b/src/namedef.h
@@ -584,6 +584,7 @@ xx(Dialog)
 xx(Ifitem)
 xx(Choice)
 xx(Link)
+xx(Goodbye)
 
 // Special menus
 xx(Mainmenu)
diff --git a/src/p_conversation.cpp b/src/p_conversation.cpp
index a697223e75..f216d9d78a 100644
--- a/src/p_conversation.cpp
+++ b/src/p_conversation.cpp
@@ -556,6 +556,7 @@ FStrifeDialogueNode::~FStrifeDialogueNode ()
 {
 	if (SpeakerName != NULL) delete[] SpeakerName;
 	if (Dialogue != NULL) delete[] Dialogue;
+	if (Goodbye != nullptr) delete[] Goodbye;
 	FStrifeDialogueReply *tokill = Children;
 	while (tokill != NULL)
 	{
@@ -743,10 +744,25 @@ public:
 			++i;
 			V_FreeBrokenLines (ReplyLines);
 		}
-		char goodbye[25];
-		mysnprintf(goodbye, countof(goodbye), "TXT_RANDOMGOODBYE_%d", 1+(pr_randomspeech() % NUM_RANDOM_GOODBYES));
-		const char *goodbyestr = GStrings[goodbye];
-		if (goodbyestr == NULL) goodbyestr = "Bye.";
+		const char *goodbyestr = CurNode->Goodbye;
+		if (goodbyestr == nullptr)
+		{
+			char goodbye[25];
+			mysnprintf(goodbye, countof(goodbye), "TXT_RANDOMGOODBYE_%d", 1 + (pr_randomspeech() % NUM_RANDOM_GOODBYES));
+			goodbyestr = GStrings[goodbye];
+		}
+		else if (strncmp(goodbyestr, "RANDOM_", 7) == 0)
+		{
+			FString byetext;
+
+			byetext.Format("TXT_%s_%02d", goodbyestr, 1 + (pr_randomspeech() % NUM_RANDOM_LINES));
+			goodbyestr = GStrings[byetext];
+		}
+		else if (goodbyestr[0] == '$')
+		{
+			goodbyestr = GStrings(goodbyestr + 1);
+		}
+		if (goodbyestr == nullptr) goodbyestr = "Bye.";
 		mResponses.Push(mResponseLines.Size());
 		mResponseLines.Push(FString(goodbyestr));
 
diff --git a/src/p_conversation.h b/src/p_conversation.h
index d6ba65d780..5b068fb04b 100644
--- a/src/p_conversation.h
+++ b/src/p_conversation.h
@@ -30,6 +30,7 @@ struct FStrifeDialogueNode
 	FSoundID SpeakerVoice;
 	FTextureID Backdrop;
 	char *Dialogue;
+	char *Goodbye = nullptr; // must init to null for binary scripts to work as intended
 
 	FStrifeDialogueReply *Children;
 };
diff --git a/src/p_usdf.cpp b/src/p_usdf.cpp
index 13a02b9646..dccec7c210 100644
--- a/src/p_usdf.cpp
+++ b/src/p_usdf.cpp
@@ -286,6 +286,7 @@ class USDFParser : public UDMFParserBase
 
 		FString SpeakerName;
 		FString Dialogue;
+		FString Goodbye;
 
 		while (!sc.CheckToken('}'))
 		{
@@ -331,7 +332,9 @@ class USDFParser : public UDMFParserBase
 					node->ItemCheckNode = CheckInt(key);
 					break;
 
-
+				case NAME_Goodbye:
+					Goodbye = CheckString(key);
+					break;
 				}
 			}
 			else
@@ -354,6 +357,7 @@ class USDFParser : public UDMFParserBase
 		}
 		node->SpeakerName = ncopystring(SpeakerName);
 		node->Dialogue = ncopystring(Dialogue);
+		node->Goodbye = ncopystring(Goodbye);
 		return true;
 	}
 
diff --git a/src/po_man.cpp b/src/po_man.cpp
index 2eed965969..c779a8049d 100644
--- a/src/po_man.cpp
+++ b/src/po_man.cpp
@@ -265,7 +265,6 @@ void DMovePoly::Serialize(FSerializer &arc)
 {
 	Super::Serialize (arc);
 	arc("angle", m_Angle)
-		("speed", m_Speed);
 		("speedv", m_Speedv);
 }
 
diff --git a/src/s_sndseq.cpp b/src/s_sndseq.cpp
index 23837c28b8..3b39965ff6 100644
--- a/src/s_sndseq.cpp
+++ b/src/s_sndseq.cpp
@@ -442,7 +442,7 @@ IMPLEMENT_CLASS (DSeqPolyNode)
 void DSeqPolyNode::Serialize(FSerializer &arc)
 {
 	Super::Serialize (arc);
-	//arc << m_Poly;
+	arc("poly", m_Poly);
 }
 
 IMPLEMENT_CLASS (DSeqSectorNode)