diff --git a/examples/wireless/wifi-ofdm-eht-validation.cc b/examples/wireless/wifi-ofdm-eht-validation.cc
index bb2933813..041f73bb7 100644
--- a/examples/wireless/wifi-ofdm-eht-validation.cc
+++ b/examples/wireless/wifi-ofdm-eht-validation.cc
@@ -42,7 +42,7 @@ int main (int argc, char *argv[])
   std::ofstream tablefile ("table-frame-success-rate-be.plt");
 
   // clang-format off
-  std::vector <std::string> modes = {
+  const std::vector <std::string> modes {
     "EhtMcs0",
     "EhtMcs1",
     "EhtMcs2",
diff --git a/examples/wireless/wifi-ofdm-he-validation.cc b/examples/wireless/wifi-ofdm-he-validation.cc
index 71f124671..e5d6b0dd6 100644
--- a/examples/wireless/wifi-ofdm-he-validation.cc
+++ b/examples/wireless/wifi-ofdm-he-validation.cc
@@ -40,7 +40,7 @@ int main (int argc, char *argv[])
   std::ofstream tablefile ("table-frame-success-rate-ax.plt");
 
   // clang-format off
-  std::vector <std::string> modes = {
+  const std::vector <std::string> modes {
     "HeMcs0",
     "HeMcs1",
     "HeMcs2",
diff --git a/examples/wireless/wifi-ofdm-ht-validation.cc b/examples/wireless/wifi-ofdm-ht-validation.cc
index 34d4a5fd1..66e2f0b1f 100644
--- a/examples/wireless/wifi-ofdm-ht-validation.cc
+++ b/examples/wireless/wifi-ofdm-ht-validation.cc
@@ -40,7 +40,7 @@ int main (int argc, char *argv[])
   std::ofstream tablefile ("table-frame-success-rate-n.plt");
 
   // clang-format off
-  std::vector <std::string> modes = {
+  const std::vector <std::string> modes {
     "HtMcs0",
     "HtMcs1",
     "HtMcs2",
diff --git a/examples/wireless/wifi-ofdm-validation.cc b/examples/wireless/wifi-ofdm-validation.cc
index 5935390fe..cd289da38 100644
--- a/examples/wireless/wifi-ofdm-validation.cc
+++ b/examples/wireless/wifi-ofdm-validation.cc
@@ -42,7 +42,7 @@ int main (int argc, char *argv[])
   std::ofstream tablefile ("table-frame-success-rate-ofdm.plt");
 
   // clang-format off
-  std::vector <std::string> modes = {
+  const std::vector <std::string> modes {
     "OfdmRate6Mbps",
     "OfdmRate9Mbps",
     "OfdmRate12Mbps",
diff --git a/examples/wireless/wifi-ofdm-vht-validation.cc b/examples/wireless/wifi-ofdm-vht-validation.cc
index 5189012b4..93ff53fff 100644
--- a/examples/wireless/wifi-ofdm-vht-validation.cc
+++ b/examples/wireless/wifi-ofdm-vht-validation.cc
@@ -41,7 +41,7 @@ int main (int argc, char *argv[])
   std::ofstream tablefile ("table-frame-success-rate-ac.plt");
 
   // clang-format off
-  std::vector<std::string> modes = {
+  const std::vector<std::string> modes {
     "VhtMcs0",
     "VhtMcs1",
     "VhtMcs2",