diff --git a/src/components/script/dom/bindings/codegen/CodegenRust.py b/src/components/script/dom/bindings/codegen/CodegenRust.py
index 769674a0b3a..ea5cd0ea6ec 100644
--- a/src/components/script/dom/bindings/codegen/CodegenRust.py
+++ b/src/components/script/dom/bindings/codegen/CodegenRust.py
@@ -2502,8 +2502,7 @@ class CGAbstractBindingMethod(CGAbstractExternMethod):
                       "  return false as JSBool;\n"
                       "}\n"
                       "\n"
-                      "let this: JS<%s>;\n"
-                      "this = %s;\n" % (self.descriptor.concreteType, unwrapThis)))
+                      "let this: JS<%s> = %s;\n" % (self.descriptor.concreteType, unwrapThis)))
         return CGList([ unwrapThis, self.generate_code() ], "\n").define()
 
     def generate_code(self):