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-rw-r--r--src/bin/pg_upgrade/server.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/bin/pg_upgrade/server.c b/src/bin/pg_upgrade/server.c
index 830335f5019..12432bb1d07 100644
--- a/src/bin/pg_upgrade/server.c
+++ b/src/bin/pg_upgrade/server.c
@@ -166,7 +166,7 @@ get_major_server_version(ClusterInfo *cluster)
if (fscanf(version_fd, "%63s", cluster->major_version_str) == 0 ||
sscanf(cluster->major_version_str, "%d.%d", &integer_version,
- &fractional_version) != 2)
+ &fractional_version) < 1)
pg_fatal("could not get version from %s\n", cluster->pgdata);
fclose(version_fd);