diff --git a/compiler2/ttcn3/Statement.cc b/compiler2/ttcn3/Statement.cc
index e831aba13d33f340272f2459f1e6226852a4d796..8d1ad7b5e12426e18da60f6fa6fc88c58226320d 100644
--- a/compiler2/ttcn3/Statement.cc
+++ b/compiler2/ttcn3/Statement.cc
@@ -9253,7 +9253,7 @@ error:
     case Type::T_OSTR:
     case Type::T_CSTR:
       if (str_enc != NULL) {
-        str_enc->error("The encoding format parameter for the '@decoded' modifier "
+        str_enc->error("The encoding formal parameter for the '@decoded' modifier "
           "is only available to parameter redirects of universal charstrings");
         error_flag = true;
       }