diff --git a/benchmarks/uuid_v4_benchmark.cpp b/benchmarks/uuid_v4_benchmark.cpp
index e65853a..6463e7b 100644
--- a/benchmarks/uuid_v4_benchmark.cpp
+++ b/benchmarks/uuid_v4_benchmark.cpp
@@ -92,7 +92,7 @@ static void UUIDPrettyCharArray(benchmark::State& state) {
     benchmark::ClobberMemory();
     LOOP_END
   }
-  delete pretty;
+  delete[] pretty;
 }
 BENCHMARK(UUIDPrettyCharArray);