1 files changed, 1 insertions, 1 deletions
diff --git a/pp.c b/pp.c
index 1c5a9638e9..d4a1df0c50 100644
--- a/pp.c
+++ b/pp.c
@@ -4045,7 +4045,7 @@ PP(pp_unpack)
 			char *t;
 			STRLEN n_a;
 
-			sv = Perl_newSVpvf(aTHX_ "%.*Vu", (int)TYPE_DIGITS(UV), auv);
+			sv = Perl_newSVpvf(aTHX_ "%.*"UVf, (int)TYPE_DIGITS(UV), auv);
 			while (s < strend) {
 			    sv = mul128(sv, *s & 0x7f);
 			    if (!(*s++ & 0x80)) {