diff --git a/src/wifi/model/non-ht/dsss-error-rate-model.cc b/src/wifi/model/non-ht/dsss-error-rate-model.cc
index 6e295e01c..2c56136f7 100644
--- a/src/wifi/model/non-ht/dsss-error-rate-model.cc
+++ b/src/wifi/model/non-ht/dsss-error-rate-model.cc
@@ -23,6 +23,13 @@
 
 #include <cmath>
 
+#ifdef HAVE_GSL
+#include <gsl/gsl_cdf.h>
+#include <gsl/gsl_integration.h>
+#include <gsl/gsl_math.h>
+#include <gsl/gsl_sf_bessel.h>
+#endif
+
 namespace ns3
 {
 
diff --git a/src/wifi/model/non-ht/dsss-error-rate-model.h b/src/wifi/model/non-ht/dsss-error-rate-model.h
index 6961f6bff..9f6133af6 100644
--- a/src/wifi/model/non-ht/dsss-error-rate-model.h
+++ b/src/wifi/model/non-ht/dsss-error-rate-model.h
@@ -20,13 +20,6 @@
 #ifndef DSSS_ERROR_RATE_MODEL_H
 #define DSSS_ERROR_RATE_MODEL_H
 
-#ifdef HAVE_GSL
-#include <gsl/gsl_cdf.h>
-#include <gsl/gsl_integration.h>
-#include <gsl/gsl_math.h>
-#include <gsl/gsl_sf_bessel.h>
-#endif
-
 #include <cstdint>
 
 namespace ns3
diff --git a/src/wifi/test/wifi-error-rate-models-test.cc b/src/wifi/test/wifi-error-rate-models-test.cc
index fbf422557..ce8f31a8d 100644
--- a/src/wifi/test/wifi-error-rate-models-test.cc
+++ b/src/wifi/test/wifi-error-rate-models-test.cc
@@ -18,6 +18,13 @@
  *          Sébastien Deronne (sebastien.deronne@gmail.com)
  */
 
+#ifdef HAVE_GSL
+#include <gsl/gsl_cdf.h>
+#include <gsl/gsl_integration.h>
+#include <gsl/gsl_math.h>
+#include <gsl/gsl_sf_bessel.h>
+#endif
+
 #include "ns3/dsss-error-rate-model.h"
 #include "ns3/he-phy.h" //includes HT and VHT
 #include "ns3/interference-helper.h"