diff --git a/src/Benchmarks/Benchmarks.h b/src/Benchmarks/Benchmarks.h
index 67010118e1c265954a7395a6febe517aa80b6cf8..4caf0fbda397f92d8cb7c143a12896b89600beb0 100644
--- a/src/Benchmarks/Benchmarks.h
+++ b/src/Benchmarks/Benchmarks.h
@@ -330,7 +330,7 @@ protected:
 };
 
 
-Benchmark::MetadataMap getHardwareMetadata()
+inline Benchmark::MetadataMap getHardwareMetadata()
 {
    const int cpu_id = 0;
    const CacheSizes cacheSizes = SystemInfo::getCPUCacheSizes( cpu_id );