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-rw-r--r--src/mbgl/style/expression/coercion.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mbgl/style/expression/coercion.cpp b/src/mbgl/style/expression/coercion.cpp
index d9cd3ffdc9..0166d144e0 100644
--- a/src/mbgl/style/expression/coercion.cpp
+++ b/src/mbgl/style/expression/coercion.cpp
@@ -13,7 +13,7 @@ EvaluationResult toNumber(const Value& v) {
[](const std::string& s) -> optional<double> {
try {
return util::stof(s);
- } catch(std::exception) {
+ } catch (const std::exception&) {
return optional<double>();
}
},