diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 905ed1a49..437a9cfe8 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -1144,6 +1144,14 @@ FBehavior::FBehavior (int lumpnum, FileReader * fr, int len)
 			Functions += 8;
 		}
 
+		// Load JUMP points
+		chunk = (DWORD *)FindChunk (MAKE_ID('J','U','M','P'));
+		if (chunk != NULL)
+		{
+			for (i = 0;i < (int)LittleLong(chunk[1]);i += 4)
+				JumpPoints.Push(LittleLong(chunk[2 + i/4]));
+		}
+
 		// Initialize this object's map variables
 		memset (MapVarStore, 0, sizeof(MapVarStore));
 		chunk = (DWORD *)FindChunk (MAKE_ID('M','I','N','I'));
@@ -5188,6 +5196,11 @@ int DLevelScript::RunScript ()
 			pc = activeBehavior->Ofs2PC (LittleLong(*pc));
 			break;
 
+		case PCD_GOTOSTACK:
+			pc = activeBehavior->Jump2PC (STACK(1));
+			sp--;
+			break;
+
 		case PCD_IFGOTO:
 			if (STACK(1))
 				pc = activeBehavior->Ofs2PC (LittleLong(*pc));
diff --git a/src/p_acs.h b/src/p_acs.h
index 44786e260..999dda7a5 100644
--- a/src/p_acs.h
+++ b/src/p_acs.h
@@ -165,6 +165,7 @@ public:
 	void StartTypedScripts (WORD type, AActor *activator, bool always, int arg1, bool runNow);
 	DWORD PC2Ofs (int *pc) const { return (DWORD)((BYTE *)pc - Data); }
 	int *Ofs2PC (DWORD ofs) const {	return (int *)(Data + ofs); }
+	int *Jump2PC (DWORD jumpPoint) const { return Ofs2PC(JumpPoints[jumpPoint]); }
 	ACSFormat GetFormat() const { return Format; }
 	ScriptFunction *GetFunction (int funcnum, FBehavior *&module) const;
 	int GetArrayVal (int arraynum, int index) const;
@@ -213,6 +214,7 @@ private:
 	TArray<FBehavior *> Imports;
 	DWORD LibraryID;
 	char ModuleName[9];
+	TArray<int> JumpPoints;
 
 	static TArray<FBehavior *> StaticModules;
 
@@ -602,6 +604,7 @@ public:
 /*360*/	PCD_CALLSTACK,			// from Eternity
 		PCD_SCRIPTWAITNAMED,
 		PCD_TRANSLATIONRANGE3,
+		PCD_GOTOSTACK,
 
 /*363*/	PCODE_COMMAND_COUNT
 	};