1 files changed, 1 insertions, 1 deletions
diff --git a/dump.c b/dump.c
index 321fecc233..290ee7a622 100644
--- a/dump.c
+++ b/dump.c
@@ -285,7 +285,7 @@ Perl_sv_peek(pTHX_ SV *sv)
     }
     else if (SvNOKp(sv)) {
 	STORE_NUMERIC_LOCAL_SET_STANDARD();
-	Perl_sv_catpvf(aTHX_ t, "(%g)",SvNVX(sv));
+	Perl_sv_catpvf(aTHX_ t, "(%"NVgf")",SvNVX(sv));
 	RESTORE_NUMERIC_LOCAL();
     }
     else if (SvIOKp(sv)) {