diff --git a/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/function/RCallNode.java b/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/function/RCallNode.java
index 84fb2f06e21b2fb8e65bcec9db896f3cce97e87f..6f987abcbbe6212c1ee3d90b6fcc47c37eebc22d 100644
--- a/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/function/RCallNode.java
+++ b/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/function/RCallNode.java
@@ -1202,4 +1202,9 @@ public abstract class RCallNode extends RCallBaseNode implements RSyntaxNode, RS
     public static Object createDeferredMemberAccess(TruffleObject object, String name) {
         return new DeferredFunctionValue(object, name);
     }
+
+    @Override
+    public String toString() {
+        return "call: " + RDeparse.deparseSyntaxElement(this);
+    }
 }