diff --git a/src/evo/providertx.h b/src/evo/providertx.h
index 16875e8402..337ac039c7 100644
--- a/src/evo/providertx.h
+++ b/src/evo/providertx.h
@@ -13,21 +13,13 @@
 #include <key_io.h>
 #include <netaddress.h>
 #include <pubkey.h>
+#include <tinyformat.h>
 #include <univalue.h>
 
 class CBlockIndex;
 class CCoinsViewCache;
 class CValidationState;
 
-struct maybe_error{
-    bool did_err{false};
-    ValidationInvalidReason reason{ValidationInvalidReason::CONSENSUS};
-    std::string_view error_str;
-
-    constexpr maybe_error() = default;
-    constexpr maybe_error(ValidationInvalidReason reasonIn, std::string_view err): did_err(true), reason(reasonIn), error_str(err) {};
-};
-
 class CProRegTx
 {
 public:
diff --git a/src/evo/specialtx.h b/src/evo/specialtx.h
index f7ea847848..7eb1adaa1d 100644
--- a/src/evo/specialtx.h
+++ b/src/evo/specialtx.h
@@ -5,14 +5,25 @@
 #ifndef BITCOIN_EVO_SPECIALTX_H
 #define BITCOIN_EVO_SPECIALTX_H
 
+#include <consensus/validation.h>
 #include <primitives/transaction.h>
 #include <serialize.h>
 #include <streams.h>
 #include <uint256.h>
 #include <version.h>
 
+#include <string_view>
 #include <vector>
 
+struct maybe_error {
+    bool did_err{false};
+    ValidationInvalidReason reason{ValidationInvalidReason::CONSENSUS};
+    std::string_view error_str;
+
+    constexpr maybe_error() = default;
+    constexpr maybe_error(ValidationInvalidReason reasonIn, std::string_view err): did_err(true), reason(reasonIn), error_str(err) {};
+};
+
 template <typename T>
 inline bool GetTxPayload(const std::vector<unsigned char>& payload, T& obj)
 {
diff --git a/src/evo/specialtxman.cpp b/src/evo/specialtxman.cpp
index 6f61303472..7a85c790bb 100644
--- a/src/evo/specialtxman.cpp
+++ b/src/evo/specialtxman.cpp
@@ -2,7 +2,7 @@
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
-#include <evo/specialtx.h>
+#include <evo/specialtxman.h>
 
 #include <chainparams.h>
 #include <consensus/validation.h>
diff --git a/src/evo/specialtxman.h b/src/evo/specialtxman.h
index 2980f6dad1..e526a20a90 100644
--- a/src/evo/specialtxman.h
+++ b/src/evo/specialtxman.h
@@ -13,6 +13,9 @@ class CBlock;
 class CBlockIndex;
 class CCoinsViewCache;
 class CValidationState;
+namespace llmq {
+class CQuorumBlockProcessor;
+} // namespace llmq
 
 extern CCriticalSection cs_main;