diff --git a/src/utils/BandwidthMerger.cxxtest b/src/utils/BandwidthMerger.cxxtest
index 71720c578..a7fa83578 100644
--- a/src/utils/BandwidthMerger.cxxtest
+++ b/src/utils/BandwidthMerger.cxxtest
@@ -32,7 +32,7 @@
  * @date 10 Oct 2020
  */
 
-#include "trains/BandwidthMerger.hxx"
+#include "utils/BandwidthMerger.hxx"
 
 #include "utils/test_main.hxx"
 
diff --git a/src/utils/BandwidthMerger.hxx b/src/utils/BandwidthMerger.hxx
index 096fd1402..caf32a2d4 100644
--- a/src/utils/BandwidthMerger.hxx
+++ b/src/utils/BandwidthMerger.hxx
@@ -32,8 +32,8 @@
  * @date 10 Oct 2020
  */
 
-#ifndef _TRAINS_BANDWIDTHMERGER_HXX_
-#define _TRAINS_BANDWIDTHMERGER_HXX_
+#ifndef _UTILS_BANDWIDTHMERGER_HXX_
+#define _UTILS_BANDWIDTHMERGER_HXX_
 
 #include <inttypes.h>
 
@@ -86,4 +86,4 @@ struct BandwidthMerger
     uint8_t percentFirst_;
 };
 
-#endif // _TRAINS_BANDWIDTHMERGER_HXX_
+#endif // _UTILS_BANDWIDTHMERGER_HXX_