1 files changed, 3 insertions, 1 deletions
diff --git a/main/core/parser/ast/ASTNode.java b/main/core/parser/ast/ASTNode.java
index 4f840e3..99bdc06 100644
--- a/main/core/parser/ast/ASTNode.java
+++ b/main/core/parser/ast/ASTNode.java
@@ -31,7 +31,9 @@ abstract public class ASTNode {
 
         System.out.println(source.toString());
         for (ASTNode node : getChildren()) {
-            node.print(indent + 1);
+            if (node != null) {
+                node.print(indent + 1);
+            }
         }
     }
 }