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-rw-r--r--contrib/pg_upgrade/option.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/contrib/pg_upgrade/option.c b/contrib/pg_upgrade/option.c
index 9b387be21d7..742d133e391 100644
--- a/contrib/pg_upgrade/option.c
+++ b/contrib/pg_upgrade/option.c
@@ -415,7 +415,7 @@ adjust_data_dir(ClusterInfo *cluster)
* so this might fail --- only works for PG 9.2+. If this fails,
* pg_upgrade will fail anyway because the data files will not be found.
*/
- snprintf(cmd, sizeof(cmd), "\"%s/postmaster\" -D \"%s\" -C data_directory",
+ snprintf(cmd, sizeof(cmd), "\"%s/postgres\" -D \"%s\" -C data_directory",
cluster->bindir, cluster->pgconfig);
if ((output = popen(cmd, "r")) == NULL ||