diff --git a/compiler/cpp/src/generate/t_swift_generator.cc b/compiler/cpp/src/generate/t_swift_generator.cc
index 4b33993..a577c3d 100644
--- a/compiler/cpp/src/generate/t_swift_generator.cc
+++ b/compiler/cpp/src/generate/t_swift_generator.cc
@@ -562,7 +562,7 @@
       t_field* tfield = *m_iter;
       string accessor = field_is_optional(tfield) ? "?." : ".";
       string defaultor = field_is_optional(tfield) ? " ?? 0" : "";
-      indent(out) << "result = prime * result + (" << tfield->get_name() << accessor <<  "hashValue" << defaultor << ")" << endl;
+      indent(out) << "result = prime &* result &+ (" << tfield->get_name() << accessor <<  "hashValue" << defaultor << ")" << endl;
     }
     
     indent(out) << "return result" << endl;