diff --git a/runtime/Java/src/org/antlr/v4/runtime/Recognizer.java b/runtime/Java/src/org/antlr/v4/runtime/Recognizer.java
index 1d4936153..72d45491e 100644
--- a/runtime/Java/src/org/antlr/v4/runtime/Recognizer.java
+++ b/runtime/Java/src/org/antlr/v4/runtime/Recognizer.java
@@ -65,7 +65,13 @@ public abstract class Recognizer<Symbol, ATNInterpreter extends ATNSimulator> {
 
 	public abstract ATN getATN();
 
-	public ATNInterpreter getInterpreter() { return _interp; }
+	public ATNInterpreter getInterpreter() {
+		return _interp;
+	}
+
+	public void setInterpreter(ATNInterpreter interpreter) {
+		_interp = interpreter;
+	}
 
 	/** What is the error header, normally line/character position information? */
 	public String getErrorHeader(RecognitionException e) {