diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index b82ee2aa59..e291f20a11 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -6,6 +6,7 @@
 #include <config/bitcoin-config.h>
 #endif
 
+#include <chainparamsbase.h>
 #include <clientversion.h>
 #include <coins.h>
 #include <common/args.h>
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index cc0e6e17d5..f61bf01745 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -5,6 +5,7 @@
 
 #include <chainparams.h>
 
+#include <chainparamsbase.h>
 #include <chainparamsseeds.h>
 #include <common/args.h>
 #include <consensus/merkle.h>
diff --git a/src/chainparams.h b/src/chainparams.h
index 52f001c096..6c124da907 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -22,6 +22,8 @@
 #include <unordered_map>
 #include <vector>
 
+class ArgsManager;
+
 /**
  * Creates and returns a std::unique_ptr<CChainParams> of the chosen chain.
  * @returns a CChainParams* of the chosen chain.
diff --git a/src/init.cpp b/src/init.cpp
index ce0e1f1ad5..802397b3cf 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -18,6 +18,7 @@
 #include <blockfilter.h>
 #include <chain.h>
 #include <chainparams.h>
+#include <chainparamsbase.h>
 #include <common/args.h>
 #include <consensus/amount.h>
 #include <deploymentstatus.h>