1 files changed, 2 insertions, 0 deletions
diff --git a/include/mbgl/style/expression/boolean_operator.hpp b/include/mbgl/style/expression/boolean_operator.hpp
index 115a096665..6d0f85756a 100644
--- a/include/mbgl/style/expression/boolean_operator.hpp
+++ b/include/mbgl/style/expression/boolean_operator.hpp
@@ -23,6 +23,7 @@ public:
     bool operator==(const Expression& e) const override;
     std::vector<optional<Value>> possibleOutputs() const override;
 
+    std::string getOperator() const override { return "any"; }
 private:
     std::vector<std::unique_ptr<Expression>> inputs;
 };
@@ -41,6 +42,7 @@ public:
     bool operator==(const Expression& e) const override;
     std::vector<optional<Value>> possibleOutputs() const override;
 
+    std::string getOperator() const override { return "all"; }
 private:
     std::vector<std::unique_ptr<Expression>> inputs;
 };