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-rw-r--r--src/backend/utils/misc/guc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/backend/utils/misc/guc.c b/src/backend/utils/misc/guc.c
index 1dd8c5674fc..086b666cc13 100644
--- a/src/backend/utils/misc/guc.c
+++ b/src/backend/utils/misc/guc.c
@@ -9051,7 +9051,7 @@ GetConfigOptionByNum(int varnum, const char **values, bool *noshow)
values[4] = _(conf->short_desc);
/* extra_desc */
- values[5] = _(conf->long_desc);
+ values[5] = conf->long_desc != NULL ? _(conf->long_desc) : NULL;
/* context */
values[6] = GucContext_Names[conf->context];