diff --git a/src/spectrum/CMakeLists.txt b/src/spectrum/CMakeLists.txt
index dae001354..b109e613d 100644
--- a/src/spectrum/CMakeLists.txt
+++ b/src/spectrum/CMakeLists.txt
@@ -76,7 +76,7 @@ set(header_files
     model/trace-fading-loss-model.h
     model/tv-spectrum-transmitter.h
     model/waveform-generator.h
-    test/spectrum-test.h
+    utils/spectrum-test.h
 )
 
 build_lib(
diff --git a/src/spectrum/test/spectrum-value-test.cc b/src/spectrum/test/spectrum-value-test.cc
index 3764da932..30f30d27c 100644
--- a/src/spectrum/test/spectrum-value-test.cc
+++ b/src/spectrum/test/spectrum-value-test.cc
@@ -6,11 +6,10 @@
  * Author: Nicola Baldo <nbaldo@cttc.es>
  */
 
-#include "spectrum-test.h"
-
 #include "ns3/log.h"
 #include "ns3/object.h"
 #include "ns3/spectrum-converter.h"
+#include "ns3/spectrum-test.h"
 #include "ns3/spectrum-value.h"
 #include "ns3/test.h"
 
diff --git a/src/spectrum/test/spectrum-test.h b/src/spectrum/utils/spectrum-test.h
similarity index 100%
rename from src/spectrum/test/spectrum-test.h
rename to src/spectrum/utils/spectrum-test.h