1 files changed, 1 insertions, 1 deletions
diff --git a/proto.h b/proto.h
index 9cff740ab0..67c201e33d 100644
--- a/proto.h
+++ b/proto.h
@@ -183,7 +183,7 @@ OP*	listkids _((OP* o));
 OP*	localize _((OP* arg, I32 lexical));
 I32	looks_like_number _((SV* sv));
 int	magic_clearenv	_((SV* sv, MAGIC* mg));
-int	magic_clear_all_env _((void));
+int	magic_clear_all_env _((SV* sv, MAGIC* mg));
 int	magic_clearpack	_((SV* sv, MAGIC* mg));
 int	magic_clearsig	_((SV* sv, MAGIC* mg));
 int	magic_existspack _((SV* sv, MAGIC* mg));