diff --git a/org.eclipse.xtext.xtext.generator/src/org/eclipse/xtext/xtext/generator/parser/antlr/hoisting/utils/DebugUtils.java b/org.eclipse.xtext.xtext.generator/src/org/eclipse/xtext/xtext/generator/parser/antlr/hoisting/utils/DebugUtils.java
index 23c0d829f..f12008140 100644
--- a/org.eclipse.xtext.xtext.generator/src/org/eclipse/xtext/xtext/generator/parser/antlr/hoisting/utils/DebugUtils.java
+++ b/org.eclipse.xtext.xtext.generator/src/org/eclipse/xtext/xtext/generator/parser/antlr/hoisting/utils/DebugUtils.java
@@ -114,6 +114,8 @@ public class DebugUtils {
 			};
 		}.doSwitch(element);
 		
+		builder.append(Objects.toString(element.getCardinality(), ""));
+		
 		builder.append("\n");
 	}