diff --git a/contrib/seeds/generate-seeds.py b/contrib/seeds/generate-seeds.py
--- a/contrib/seeds/generate-seeds.py
+++ b/contrib/seeds/generate-seeds.py
@@ -22,10 +22,10 @@
 
 The output will be two data structures with the peers in binary format:
 
-   static SeedSpec6 pnSeed6_main[]={
+   static std::vector<SeedSpec6> pnSeed6_main = {
    ...
    }
-   static SeedSpec6 pnSeed6_test[]={
+   static std::vector<SeedSpec6> pnSeed6_test = {
    ...
    }
 
@@ -98,7 +98,7 @@
 
 
 def process_nodes(g, f, structname, defaultport):
-    g.write('static SeedSpec6 {}[] = {{\n'.format(structname))
+    g.write('static std::vector<SeedSpec6> {} = {{\n'.format(structname))
     first = True
     for line in f:
         comment = line.find('#')
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -200,9 +200,7 @@
         base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x88, 0xB2, 0x1E};
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x88, 0xAD, 0xE4};
         cashaddrPrefix = "bitcoincash";
-
-        vFixedSeeds = std::vector<SeedSpec6>(
-            pnSeed6_main, pnSeed6_main + ARRAYLEN(pnSeed6_main));
+        vFixedSeeds = pnSeed6_main;
 
         fDefaultConsistencyChecks = false;
         fRequireStandard = true;
@@ -393,8 +391,7 @@
         base58Prefixes[EXT_PUBLIC_KEY] = {0x04, 0x35, 0x87, 0xCF};
         base58Prefixes[EXT_SECRET_KEY] = {0x04, 0x35, 0x83, 0x94};
         cashaddrPrefix = "bchtest";
-        vFixedSeeds = std::vector<SeedSpec6>(
-            pnSeed6_test, pnSeed6_test + ARRAYLEN(pnSeed6_test));
+        vFixedSeeds = pnSeed6_test;
 
         fDefaultConsistencyChecks = false;
         fRequireStandard = false;
diff --git a/src/chainparamsseeds.h b/src/chainparamsseeds.h
--- a/src/chainparamsseeds.h
+++ b/src/chainparamsseeds.h
@@ -7,7 +7,7 @@
  * Each line contains a 16-byte IPv6 address and a port.
  * IPv4 as well as onion addresses are wrapped inside an IPv6 address accordingly.
  */
-static SeedSpec6 pnSeed6_main[] = {
+static std::vector<SeedSpec6> pnSeed6_main = {
     {{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x0d,0x5a,0x8d,0x0d}, 8333},
     {{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x18,0x78,0x09,0xd8}, 8333},
     {{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x1f,0x19,0xf1,0xe0}, 8333},
@@ -93,7 +93,7 @@
     {{0x2a,0x04,0x21,0x80,0x00,0x01,0x00,0x11,0xf0,0x00,0x00,0x00,0x00,0x00,0x00,0x16}, 8333}
 };
 
-static SeedSpec6 pnSeed6_test[] = {
+static std::vector<SeedSpec6> pnSeed6_test = {
     {{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x03,0x89,0x44,0x8c}, 48433},
     {{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x05,0xbd,0x8d,0x4f}, 18333},
     {{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0x22,0xfd,0x33,0xeb}, 18333},