1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/libcrypto/conf/conf_mod.c b/src/lib/libcrypto/conf/conf_mod.c
index f92babc2e2..edcc08921c 100644
--- a/src/lib/libcrypto/conf/conf_mod.c
+++ b/src/lib/libcrypto/conf/conf_mod.c
@@ -230,7 +230,7 @@ static int module_run(const CONF *cnf, char *name, char *value,
                 {
                 if (!(flags & CONF_MFLAGS_SILENT))
                         {
-                        char rcode[10];
+                        char rcode[DECIMAL_SIZE(ret)+1];
                         CONFerr(CONF_F_CONF_MODULES_LOAD, CONF_R_MODULE_INITIALIZATION_ERROR);
                         sprintf(rcode, "%-8d", ret);
                         ERR_add_error_data(6, "module=", name, ", value=", value, ", retcode=", rcode);