diff --git a/src/include/final/ftermcap.h b/src/include/final/ftermcap.h
index 7bfe3b6d..1a8c3cb9 100644
--- a/src/include/final/ftermcap.h
+++ b/src/include/final/ftermcap.h
@@ -103,8 +103,8 @@ class FTermcap final
     static char*         getString (const CharT&);
     template<typename CharT>
     static char*         encodeMotionParameter (const CharT&, int, int);
-    template<typename... Args>
-    static char*         encodeParameter (Args&&...);
+    template<typename CharT, typename... Args>
+    static char*         encodeParameter (const CharT&, Args&&...);
     template<typename CharT>
     static int           paddingPrint (const CharT&, int, fn_putc);
 
@@ -178,10 +178,10 @@ char* FTermcap::encodeMotionParameter (const CharT& cap, int col, int row)
 }
 
 //----------------------------------------------------------------------
-template<typename... Args>
-inline char* FTermcap::encodeParameter (Args&&... args)
+template<typename CharT, typename... Args>
+inline char* FTermcap::encodeParameter (const CharT& cap, Args&&... args)
 {
-  return tparm (std::forward<Args>(args)...);
+  return tparm (C_STR(cap), std::forward<Args>(args)...);
 }
 
 //----------------------------------------------------------------------