1 files changed, 1 insertions, 1 deletions
diff --git a/captype.c b/captype.c
index 02094b4615..8b75852992 100644
--- a/captype.c
+++ b/captype.c
@@ -104,7 +104,7 @@ get_captype_compiled_info(GString *str)
 }
 
 static void
-get_captype_runtime_info(GString *str)
+get_captype_runtime_info(GString *str _U_)
 {
   /* zlib */
 #if defined(HAVE_LIBZ) && !defined(_WIN32)