diff --git a/src/lib/compiler.ts b/src/lib/compiler.ts
index fb8b10190..a97a79a95 100644
--- a/src/lib/compiler.ts
+++ b/src/lib/compiler.ts
@@ -1091,7 +1091,7 @@ export default class Compiler {
     if (typeString === 'itxnparams') return { kind: 'base', type: 'itxn' };
     if (typeString === 'bytes32') return { kind: 'staticArray', length: 32, base: { kind: 'base', type: 'byte' } };
     if (typeString === 'bytes64') return { kind: 'staticArray', length: 64, base: { kind: 'base', type: 'byte' } };
-    if (typeString === 'utf8void') return { kind: 'base', type: 'string' };
+    if (typeString === 'utf8') return { kind: 'base', type: 'string' };
 
     if (type.isBoolean()) return { kind: 'base', type: 'bool' };
 
diff --git a/types/global.d.ts b/types/global.d.ts
index 7cd2c8bbc..f37537e54 100644
--- a/types/global.d.ts
+++ b/types/global.d.ts
@@ -262,7 +262,7 @@ declare type byte = { __byte: true };
 declare type bytes<Length = void> = Byteslice<Length>;
 declare type bytes32 = Byteslice<32>;
 declare type bytes64 = Byteslice<64>;
-declare type utf8<Length = void> = bytes<Length>;
+declare type utf8 = bytes<void>;
 
 declare type TxnVerificationTests = {
   /** assert that the value is less than the given value */