diff --git a/tool/src/org/antlr/v4/codegen/Target.java b/tool/src/org/antlr/v4/codegen/Target.java
index 2f0531b09..da095a325 100644
--- a/tool/src/org/antlr/v4/codegen/Target.java
+++ b/tool/src/org/antlr/v4/codegen/Target.java
@@ -403,6 +403,10 @@ public class Target {
 	}
 
 	public String getElementName(String name) {
+		if (".".equals(name)) {
+			return "_wild";
+		}
+
 		if ( gen.g.getRule(name)!=null ) return name;
 		int ttype = gen.g.getTokenType(name);
 		if ( ttype==Token.INVALID_TYPE ) return name;