diff --git a/src/wasm-s-parser.h b/src/wasm-s-parser.h
index 24929c4..e8b9447 100644
--- a/src/wasm-s-parser.h
+++ b/src/wasm-s-parser.h
@@ -281,10 +281,10 @@
   Expression* makeRttFreshSub(Element& s);
   Expression* makeStructNew(Element& s, bool default_);
   Index getStructIndex(Element& type, Element& field);
-  Expression* makeStructGet(Element& s, Signedness signedness = Nonsigned);
+  Expression* makeStructGet(Element& s, Signedness signedness = NoSign);
   Expression* makeStructSet(Element& s);
   Expression* makeArrayNew(Element& s, bool default_);
-  Expression* makeArrayGet(Element& s, Signedness signedness = Nonsigned);
+  Expression* makeArrayGet(Element& s, Signedness signedness = NoSign);
   Expression* makeArraySet(Element& s);
   Expression* makeArrayLen(Element& s);
   Expression* makeArrayCopy(Element& s);
diff --git a/src/wasm-type.h b/src/wasm-type.h
index 03c7433..59623be 100644
--- a/src/wasm-type.h
+++ b/src/wasm-type.h
@@ -64,7 +64,7 @@
   // The value has signedness, and is unsigned, like e.g. uint32_t.
   Unsigned,
   // The value has no concept of signedness, like e.g. float or raw bits.
-  Nonsigned
+  NoSign
 };
 
 // The type used for interning IDs in the public interfaces of Type and
diff --git a/src/wasm/wasm-s-parser.cpp b/src/wasm/wasm-s-parser.cpp
index aafd34a..ac3ac9a 100644
--- a/src/wasm/wasm-s-parser.cpp
+++ b/src/wasm/wasm-s-parser.cpp
@@ -2647,11 +2647,11 @@
                              Signedness signedness,
                              Element& s,
                              std::string what) {
-  if (field.isPacked() && signedness == Nonsigned) {
+  if (field.isPacked() && signedness == NoSign) {
     throw ParseException(
       "packed " + what + " must be read as packed", s.line, s.col);
   }
-  if (!field.isPacked() && signedness != Nonsigned) {
+  if (!field.isPacked() && signedness != NoSign) {
     throw ParseException(
       "non-packed " + what + " must not be read as packed", s.line, s.col);
   }