1 files changed, 4 insertions, 4 deletions
diff --git a/src/mbgl/style/property_evaluator.hpp b/src/mbgl/style/property_evaluator.hpp
index 0d23a44c05..a0bce2f499 100644
--- a/src/mbgl/style/property_evaluator.hpp
+++ b/src/mbgl/style/property_evaluator.hpp
@@ -13,9 +13,9 @@ class PropertyEvaluator {
 public:
     using ResultType = T;
 
-    PropertyEvaluator(const CalculationParameters& parameters_, const T& defaultValue_)
+    PropertyEvaluator(const CalculationParameters& parameters_, T defaultValue_)
         : parameters(parameters_),
-          defaultValue(defaultValue_) {}
+          defaultValue(std::move(defaultValue_)) {}
 
     T operator()(const Undefined&) const { return defaultValue; }
     T operator()(const T& constant) const { return constant; }
@@ -40,9 +40,9 @@ class CrossFadedPropertyEvaluator {
 public:
     using ResultType = Faded<T>;
 
-    CrossFadedPropertyEvaluator(const CalculationParameters& parameters_, const T& defaultValue_)
+    CrossFadedPropertyEvaluator(const CalculationParameters& parameters_, T defaultValue_)
         : parameters(parameters_),
-          defaultValue(defaultValue_) {}
+          defaultValue(std::move(defaultValue_)) {}
 
     Faded<T> operator()(const Undefined&) const;
     Faded<T> operator()(const T& constant) const;