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-rw-r--r--src/bin/pg_dump/pg_restore.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/bin/pg_dump/pg_restore.c b/src/bin/pg_dump/pg_restore.c
index c799ae91b39..72916199e13 100644
--- a/src/bin/pg_dump/pg_restore.c
+++ b/src/bin/pg_dump/pg_restore.c
@@ -1073,7 +1073,7 @@ get_dbname_oid_list_from_mfile(const char *dumpdirpath, SimplePtrList *dbname_oi
char *p = linebuf.data;
/* Extract dboid. */
- while (isdigit(*p))
+ while (isdigit((unsigned char) *p))
p++;
if (p > linebuf.data && *p == ' ')
{