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-rw-r--r--src/mbgl/style/expression/step.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mbgl/style/expression/step.cpp b/src/mbgl/style/expression/step.cpp
index 2720e9257a..bfcb6fd270 100644
--- a/src/mbgl/style/expression/step.cpp
+++ b/src/mbgl/style/expression/step.cpp
@@ -1,5 +1,6 @@
#include <mbgl/style/expression/step.hpp>
#include <mbgl/style/expression/get_covering_stops.hpp>
+#include <mbgl/util/string.hpp>
namespace mbgl {
@@ -50,7 +51,7 @@ ParseResult Step::parse(const mbgl::style::conversion::Convertible& value, Parsi
auto length = arrayLength(value);
if (length - 1 < 4) {
- ctx.error("Expected at least 4 arguments, but found only " + std::to_string(length - 1) + ".");
+ ctx.error("Expected at least 4 arguments, but found only " + util::toString(length - 1) + ".");
return ParseResult();
}