diff --git a/implementations/rust/preserves-schema/src/compiler/parsers.rs b/implementations/rust/preserves-schema/src/compiler/parsers.rs
index 52df085..0052f66 100644
--- a/implementations/rust/preserves-schema/src/compiler/parsers.rs
+++ b/implementations/rust/preserves-schema/src/compiler/parsers.rs
@@ -54,7 +54,7 @@ pub fn gen_definition_parser(m: &mut ModuleContext, n: &str, d: &Definition) {
                       names::render_constructor(n), " ", block![
                           seq!["type Error = _support::ParseError;"],
                           seq!["fn try_from(value: ", ctxt.m.target(), ") -> ",
-                               "std::result::Result<Self, Self::Error> ",
+                               "std::result::Result<Self, _support::ParseError> ",
                                block(body)]]])
         });
 }