diff --git a/circuits/json/parser/hash_machine.circom b/circuits/json/parser/hash_machine.circom
index a8e063f..6ebd9e4 100644
--- a/circuits/json/parser/hash_machine.circom
+++ b/circuits/json/parser/hash_machine.circom
@@ -377,7 +377,7 @@ template RewriteStack(n) {
     signal end_hash0[n];
 
     signal not_end_char_for_first <== IsZero()(readColon + readComma + readQuote + (1-next_parsing_number));
-    signal to_change_first <== not_end_char_for_first * (is_object_value + is_array) + still_parsing_string;
+    signal to_change_first <== (not_end_char_for_first + still_parsing_string) * (is_object_value + is_array);
     signal tree_hash_change_value[2] <== [to_change_zeroth * next_state_hash[0], to_change_first * next_state_hash[1]];
 
     for(var i = 0; i < n; i++) {
diff --git a/circuits/test/json/parser/hash_machine.test.ts b/circuits/test/json/parser/hash_machine.test.ts
index c1bad89..54a9b97 100644
--- a/circuits/test/json/parser/hash_machine.test.ts
+++ b/circuits/test/json/parser/hash_machine.test.ts
@@ -4,21 +4,21 @@ import { PoseidonModular } from "../../common/poseidon";
 describe("hash_machine", () => {
     let circuit: WitnessTester<["data"]>;
 
-    it(`array_only_input`, async () => {
-        let filename = "array_only";
-        let [input, keyUnicode, output] = readJSONInputFile(`${filename}.json`, [0]);
+    // it(`array_only_input`, async () => {
+    //     let filename = "array_only";
+    //     let [input, keyUnicode, output] = readJSONInputFile(`${filename}.json`, [0]);
 
-        circuit = await circomkit.WitnessTester(`Parser`, {
-            file: "json/parser/hash_parser",
-            template: "ParserHasher",
-            params: [input.length, 3],
-        });
-        console.log("#constraints:", await circuit.getConstraintCount());
+    //     circuit = await circomkit.WitnessTester(`Parser`, {
+    //         file: "json/parser/hash_parser",
+    //         template: "ParserHasher",
+    //         params: [input.length, 3],
+    //     });
+    //     console.log("#constraints:", await circuit.getConstraintCount());
 
-        await circuit.expectPass({
-            data: input
-        });
-    });
+    //     await circuit.expectPass({
+    //         data: input
+    //     });
+    // });
 
     // Numbers for the 42 read in 0th index
     console.log("[0,\"4\"] hash: ", PoseidonModular([0, 52]));
@@ -54,19 +54,19 @@ describe("hash_machine", () => {
     // });
 
 
-    // it(`spotify_input`, async () => {
-    //     let filename = "spotify";
-    //     let [input, keyUnicode, output] = readJSONInputFile(`${filename}.json`, ["data"]);
+    it(`spotify_input`, async () => {
+        let filename = "spotify";
+        let [input, keyUnicode, output] = readJSONInputFile(`${filename}.json`, ["data"]);
 
-    //     circuit = await circomkit.WitnessTester(`Parser`, {
-    //         file: "json/parser/hash_parser",
-    //         template: "ParserHasher",
-    //         params: [input.length, 7],
-    //     });
-    //     console.log("#constraints:", await circuit.getConstraintCount());
+        circuit = await circomkit.WitnessTester(`Parser`, {
+            file: "json/parser/hash_parser",
+            template: "ParserHasher",
+            params: [input.length, 7],
+        });
+        console.log("#constraints:", await circuit.getConstraintCount());
 
-    //     await circuit.expectPass({
-    //         data: input
-    //     });
-    // });
+        await circuit.expectPass({
+            data: input
+        });
+    });
 })
\ No newline at end of file