diff --git a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/JsonParserNodes.java b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/JsonParserNodes.java
index 70f08eed9..f7b82d756 100644
--- a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/JsonParserNodes.java
+++ b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/JsonParserNodes.java
@@ -609,11 +609,10 @@ protected static TruffleArrayList doParseList(
         @Cached @Cached.Shared("currentToken")
             JsonParserNodes.CurrentTokenJsonParserNode currentToken,
         @Cached @Cached.Shared("nextToken") JsonParserNodes.NextTokenJsonParserNode nextToken) {
-      if (currentToken.execute(thisNode, parser) != JsonToken.START_ARRAY) {
+      JsonToken token = currentToken.execute(thisNode, parser);
+      if (token != JsonToken.START_ARRAY) {
         throw new JsonUnexpectedTokenException(
-            JsonToken.START_ARRAY.asString(),
-            currentToken.execute(thisNode, parser).toString(),
-            thisNode);
+            JsonToken.START_ARRAY.asString(), String.valueOf(token), thisNode);
       }
       nextToken.execute(thisNode, parser);
 
@@ -640,11 +639,10 @@ protected static Object doParse(
             JsonParserNodes.CurrentTokenJsonParserNode currentToken,
         @Cached JsonParserNodes.CurrentFieldJsonParserNode currentField,
         @Cached RecordNodes.AddPropNode addPropNode) {
-      if (currentToken.execute(thisNode, parser) != JsonToken.START_OBJECT) {
+      JsonToken token = currentToken.execute(thisNode, parser);
+      if (token != JsonToken.START_OBJECT) {
         throw new JsonUnexpectedTokenException(
-            JsonToken.START_OBJECT.asString(),
-            currentToken.execute(thisNode, parser).toString(),
-            thisNode);
+            JsonToken.START_OBJECT.asString(), String.valueOf(token), thisNode);
       }
 
       nextToken.execute(thisNode, parser);
diff --git a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/ListParseJsonNode.java b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/ListParseJsonNode.java
index cde870884..c876acac1 100644
--- a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/ListParseJsonNode.java
+++ b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/ListParseJsonNode.java
@@ -101,10 +101,10 @@ public ListParseJsonNode(
   public Object executeGeneric(VirtualFrame frame) {
     Object[] args = frame.getArguments();
     JsonParser parser = (JsonParser) args[0];
-
-    if (currentToken.execute(this, parser) != JsonToken.START_ARRAY) {
+    JsonToken token = currentToken.execute(this, parser);
+    if (token != JsonToken.START_ARRAY) {
       throw new JsonUnexpectedTokenException(
-          JsonToken.START_ARRAY.asString(), currentToken.execute(this, parser).toString(), this);
+          JsonToken.START_ARRAY.asString(), String.valueOf(token), this);
     }
     nextToken.execute(this, parser);
 
diff --git a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/RecordParseJsonNode.java b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/RecordParseJsonNode.java
index 2823cca72..8fde01c1c 100644
--- a/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/RecordParseJsonNode.java
+++ b/snapi-truffle/src/main/java/com/rawlabs/snapi/truffle/ast/io/json/reader/parser/RecordParseJsonNode.java
@@ -119,11 +119,10 @@ public Object executeGeneric(VirtualFrame frame) {
     JsonParser parser = (JsonParser) args[0];
     BitSet currentBitSet = new BitSet(this.fieldsSize);
 
-    if (currentTokenNode.execute(this, parser) != JsonToken.START_OBJECT) {
+    JsonToken token = currentTokenNode.execute(this, parser);
+    if (token != JsonToken.START_OBJECT) {
       throw new JsonUnexpectedTokenException(
-          JsonToken.START_OBJECT.asString(),
-          currentTokenNode.execute(this, parser).toString(),
-          this);
+          JsonToken.START_OBJECT.asString(), String.valueOf(token), this);
     }
     nextTokenNode.execute(this, parser);