diff --git a/src/reader/wgsl/parser_impl.cc b/src/reader/wgsl/parser_impl.cc
index 3d2c8e3d69..7318b37c3a 100644
--- a/src/reader/wgsl/parser_impl.cc
+++ b/src/reader/wgsl/parser_impl.cc
@@ -1023,13 +1023,15 @@ Maybe<ast::Type*> ParserImpl::type_decl() {
     return Failure::kErrored;
 
   auto type = type_decl(decos.value);
-  if (type.errored)
+  if (type.errored) {
     return Failure::kErrored;
-  if (!type.matched)
+  }
+  if (!expect_decorations_consumed(decos.value)) {
+    return Failure::kErrored;
+  }
+  if (!type.matched) {
     return Failure::kNoMatch;
-
-  if (!expect_decorations_consumed(decos.value))
-    return Failure::kErrored;
+  }
 
   return type;
 }
diff --git a/src/reader/wgsl/parser_impl_error_msg_test.cc b/src/reader/wgsl/parser_impl_error_msg_test.cc
index 5f6fbb9170..83013a207f 100644
--- a/src/reader/wgsl/parser_impl_error_msg_test.cc
+++ b/src/reader/wgsl/parser_impl_error_msg_test.cc
@@ -422,6 +422,13 @@ TEST_F(ParserImplErrorTest, FunctionDeclMissingRBrace) {
          "        ^\n");
 }
 
+TEST_F(ParserImplErrorTest, FunctionScopeUnusedDecl) {
+  EXPECT("fn f(a:i32)->i32{return a;[[size(1)]]}",
+         "test.wgsl:1:29 error: unexpected decorations\n"
+         "fn f(a:i32)->i32{return a;[[size(1)]]}\n"
+         "                            ^^^^\n");
+}
+
 TEST_F(ParserImplErrorTest, FunctionMissingOpenLine) {
   EXPECT(R"(let bar : vec2<f32> = vec2<f32>(1., 2.);
   var a : f32 = bar[0];