diff --git a/texthook/engine/engine.cc b/texthook/engine/engine.cc
index 99075f5..5dffdb3 100644
--- a/texthook/engine/engine.cc
+++ b/texthook/engine/engine.cc
@@ -16803,10 +16803,11 @@ bool InsertMonoHooks()
     if (FARPROC addr = ::GetProcAddress(h, func.functionName)) {
       hp.address = (DWORD)addr;
 	  hp.type = func.hookType;
+      if (loadedConfig) hp.type |= HOOK_EMPTY;
 	  hp.filter_fun = NoAsciiFilter;
       hp.offset = func.textIndex * 4;
       hp.length_offset = func.lengthIndex * 4;
-      hp.text_fun = (decltype(hp.text_fun))func.text_fun;
+      hp.text_fun = func.text_fun;
       ConsoleOutput("vnreng: Mono: INSERT");
       NewHook(hp, func.functionName);
       ret = true;
diff --git a/texthook/engine/mono/funcinfo.h b/texthook/engine/mono/funcinfo.h
index 143f0a5..aea7ad7 100644
--- a/texthook/engine/mono/funcinfo.h
+++ b/texthook/engine/mono/funcinfo.h
@@ -38,7 +38,7 @@ struct MonoFunction { // argument indices start from 0 for SpecialHookMonoString
   size_t textIndex; // argument index
   short lengthIndex; // argument index
   unsigned long hookType; // HookParam type
-  void *text_fun; // HookParam::text_fun_t
+  void(*text_fun)(DWORD stack, HookParam* hp, BYTE obsoleteAlwaysZero, DWORD* data, DWORD* split, DWORD* len); // HookParam::text_fun_t
 };
 
 #define MONO_FUNCTIONS_INITIALIZER \