1 files changed, 1 insertions, 1 deletions

diff --git a/proto.h b/proto.h
index 928f34b66a..9699ccc255 100644
--- a/proto.h
+++ b/proto.h
@@ -4055,7 +4055,7 @@ PERL_CALLCONV GP*	Perl_gp_dup(pTHX_ GP *const gp, CLONE_PARAMS *const param)
 #define PERL_ARGS_ASSERT_GP_DUP	\
 	assert(param)
 
-PERL_CALLCONV MAGIC*	Perl_mg_dup(pTHX_ MAGIC *const mg, CLONE_PARAMS *const param)
+PERL_CALLCONV MAGIC*	Perl_mg_dup(pTHX_ MAGIC *mg, CLONE_PARAMS *const param)
 			__attribute__warn_unused_result__
 			__attribute__nonnull__(pTHX_2);
 #define PERL_ARGS_ASSERT_MG_DUP	\