diff --git a/src/backend/access/gist/gist.c b/src/backend/access/gist/gist.c
index 0e499598a42..2ea19d26831 100644
--- a/src/backend/access/gist/gist.c
+++ b/src/backend/access/gist/gist.c
@@ -566,7 +566,8 @@ gistdoinsert(Relation r, IndexTuple itup, Size freespace, GISTSTATE *giststate)
 		}
 
 		stack->page = (Page) BufferGetPage(stack->buffer);
-		stack->lsn = PageGetLSN(stack->page);
+		stack->lsn = xlocked ?
+			PageGetLSN(stack->page) : BufferGetLSNAtomic(stack->buffer);
 		Assert(!RelationNeedsWAL(state.r) || !XLogRecPtrIsInvalid(stack->lsn));
 
 		/*
@@ -816,7 +817,7 @@ gistFindPath(Relation r, BlockNumber child, OffsetNumber *downlinkoffnum)
 			break;
 		}
 
-		top->lsn = PageGetLSN(page);
+		top->lsn = BufferGetLSNAtomic(buffer);
 
 		/*
 		 * If F_FOLLOW_RIGHT is set, the page to the right doesn't have a
diff --git a/src/backend/access/gist/gistvacuum.c b/src/backend/access/gist/gistvacuum.c
index 2337dbd7f9d..1c4e2c19b76 100644
--- a/src/backend/access/gist/gistvacuum.c
+++ b/src/backend/access/gist/gistvacuum.c
@@ -257,7 +257,7 @@ gistbulkdelete(PG_FUNCTION_ARGS)
 
 				ptr = (GistBDItem *) palloc(sizeof(GistBDItem));
 				ptr->blkno = ItemPointerGetBlockNumber(&(idxtuple->t_tid));
-				ptr->parentlsn = PageGetLSN(page);
+				ptr->parentlsn = BufferGetLSNAtomic(buffer);
 				ptr->next = stack->next;
 				stack->next = ptr;
 
diff --git a/src/backend/access/nbtree/nbtsearch.c b/src/backend/access/nbtree/nbtsearch.c
index 3bdbe757aeb..527efdfb315 100644
--- a/src/backend/access/nbtree/nbtsearch.c
+++ b/src/backend/access/nbtree/nbtsearch.c
@@ -1157,7 +1157,7 @@ _bt_readpage(IndexScanDesc scan, ScanDirection dir, OffsetNumber offnum)
 	 * safe to apply LP_DEAD hints to the page later.  This allows us to drop
 	 * the pin for MVCC scans, which allows vacuum to avoid blocking.
 	 */
-	so->currPos.lsn = PageGetLSN(page);
+	so->currPos.lsn = BufferGetLSNAtomic(so->currPos.buf);
 
 	/*
 	 * we must save the page's right-link while scanning it; this tells us
diff --git a/src/backend/access/nbtree/nbtutils.c b/src/backend/access/nbtree/nbtutils.c
index ce468af41ce..ef889b9e5bc 100644
--- a/src/backend/access/nbtree/nbtutils.c
+++ b/src/backend/access/nbtree/nbtutils.c
@@ -1770,7 +1770,7 @@ _bt_killitems(IndexScanDesc scan)
 			return;
 
 		page = BufferGetPage(buf);
-		if (PageGetLSN(page) == so->currPos.lsn)
+		if (BufferGetLSNAtomic(buf) == so->currPos.lsn)
 			so->currPos.buf = buf;
 		else
 		{