diff --git a/assembly/deserialize/simple/bool.ts b/assembly/deserialize/simple/bool.ts
index 641a144..1f29027 100644
--- a/assembly/deserialize/simple/bool.ts
+++ b/assembly/deserialize/simple/bool.ts
@@ -3,7 +3,7 @@ import { CHAR_F, CHAR_T } from "../../custom/chars";
 export function deserializeBoolean(srcStart: usize, srcEnd: usize): boolean {
   const srcSize = srcEnd - srcStart;
   const firstChar = load<u16>(srcStart);
-  if (srcSize == 4 && firstChar == CHAR_T && load<u64>(srcStart) == 28429475166421108) return true;
-  else if (srcSize == 5 && firstChar == CHAR_F && load<u64>(srcSize, 2) == 28429466576093281) return false;
+  if (firstChar == CHAR_T && load<u64>(srcStart) == 28429475166421108) return true;
+  else if (firstChar == CHAR_F && load<u64>(srcSize, 2) == 28429466576093281) return false;
   return false; //ERROR(`Expected to find boolean, but found "${data.slice(0, 100)}" instead!`);
-}
+}
\ No newline at end of file
diff --git a/assembly/index.ts b/assembly/index.ts
index a3a25be..5214438 100644
--- a/assembly/index.ts
+++ b/assembly/index.ts
@@ -48,7 +48,7 @@ export namespace JSON {
    * @returns string
    */
   export function stringify<T>(data: T, out: string | null = null): string {
-    if (isBoolean<T>(data)) {
+    if (isBoolean<T>()) {
       if (out) {
         if (<bool>data == true) {
           out = changetype<string>(__renew(changetype<usize>(out), 8));
@@ -60,7 +60,7 @@ export namespace JSON {
         }
         return out;
       }
-      return out ? "true" : "false";
+      return data ? "true" : "false";
     } else if (isInteger<T>() && nameof<T>() == "usize" && data == 0) {
       if (out) {
         out = changetype<string>(__renew(changetype<usize>(out), 8));