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-rw-r--r--test/tile/vector_tile.test.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/tile/vector_tile.test.cpp b/test/tile/vector_tile.test.cpp
index b912af1f15..940c0272db 100644
--- a/test/tile/vector_tile.test.cpp
+++ b/test/tile/vector_tile.test.cpp
@@ -98,7 +98,7 @@ TEST(VectorTileData, ParseResults) {
ASSERT_TRUE(feature->getID().is<uint64_t>());
ASSERT_EQ(feature->getID().get<uint64_t>(), 1u);
- std::unordered_map<std::string, Value> properties = feature->getProperties();
+ const std::unordered_map<std::string, Value>& properties = feature->getProperties();
ASSERT_EQ(properties.size(), 3u);
ASSERT_EQ(properties.at("disputed"), *feature->getValue("disputed"));