diff --git a/src/test-benchmarks/benchmark/BenchmarkBase.h b/src/test-benchmarks/benchmark/BenchmarkBase.h
index 8ea7681..1e9cbd7 100644
--- a/src/test-benchmarks/benchmark/BenchmarkBase.h
+++ b/src/test-benchmarks/benchmark/BenchmarkBase.h
@@ -23,6 +23,7 @@
 #include <activemq/concurrent/Runnable.h>
 #include <benchmark/PerformanceTimer.h>
 #include <string>
+#include <iostream>
 
 namespace benchmark{