diff --git a/tool/resources/org/antlr/v4/tool/templates/codegen/Java/Java.stg b/tool/resources/org/antlr/v4/tool/templates/codegen/Java/Java.stg
index 0ee712a3b..094541992 100644
--- a/tool/resources/org/antlr/v4/tool/templates/codegen/Java/Java.stg
+++ b/tool/resources/org/antlr/v4/tool/templates/codegen/Java/Java.stg
@@ -60,7 +60,7 @@ public class <parser.name> extends Parser {
 
 <if(actionFuncs)>
 	public void _action(RuleContext _localctx, int ruleIndex, int predIndex) {
-		switch ( predIndex ) {
+		switch ( ruleIndex ) {
 		    <parser.actionFuncs:{f|
 case <f.ruleIndex> : <f.name>_action((<f.ctxType>)_localctx, predIndex);}; separator="\n">
     	}
@@ -69,7 +69,7 @@ case <f.ruleIndex> : <f.name>_action((<f.ctxType>)_localctx, predIndex);}; separ
 <endif>
 <if(sempredFuncs)>
 	public boolean _sempred(RuleContext _localctx, int ruleIndex, int predIndex) {
-		switch ( predIndex ) {
+		switch ( ruleIndex ) {
 		    <parser.sempredFuncs:{f|
 case <f.ruleIndex> : return <f.name>_sempred((<f.ctxType>)_localctx, predIndex);}; separator="\n">
     	}