diff --git a/codegen/src/generator.rs b/codegen/src/generator.rs
index 72dfae6..abe21b8 100644
--- a/codegen/src/generator.rs
+++ b/codegen/src/generator.rs
@@ -260,7 +260,7 @@ fn write_message(msg_proto: &DescriptorProto, output: &mut String) {
         }
     }
     // raw_fields() convenience on the message struct (before closing the impl)
-    output.push_str("    pub fn raw_fields(&self) -> roto::RawFieldIterator<'a> {\n");
+    output.push_str("    pub fn raw_fields(&self) -> roto_runtime::RawFieldIterator<'a> {\n");
     output.push_str("        self.accessor.raw_fields()\n");
     output.push_str("    }\n\n");
     output.push_str("}\n\n");