diff --git a/src/backend/access/gin/ginbtree.c b/src/backend/access/gin/ginbtree.c
index 030d0f4418..78213dcb4e 100644
--- a/src/backend/access/gin/ginbtree.c
+++ b/src/backend/access/gin/ginbtree.c
@@ -72,9 +72,13 @@ ginTraverseLock(Buffer buffer, bool searchMode)
  * If 'searchmode' is false, on return stack->buffer is exclusively locked,
  * and the stack represents the full path to the root. Otherwise stack->buffer
  * is share-locked, and stack->parent is NULL.
+ *
+ * If 'rootConflictCheck' is true, tree root is checked for serialization
+ * conflict.
  */
 GinBtreeStack *
-ginFindLeafPage(GinBtree btree, bool searchMode, Snapshot snapshot)
+ginFindLeafPage(GinBtree btree, bool searchMode,
+				bool rootConflictCheck, Snapshot snapshot)
 {
 	GinBtreeStack *stack;
 
@@ -84,7 +88,7 @@ ginFindLeafPage(GinBtree btree, bool searchMode, Snapshot snapshot)
 	stack->parent = NULL;
 	stack->predictNumber = 1;
 
-	if (!searchMode)
+	if (rootConflictCheck)
 		CheckForSerializableConflictIn(btree->index, NULL, stack->buffer);
 
 	for (;;)
diff --git a/src/backend/access/gin/gindatapage.c b/src/backend/access/gin/gindatapage.c
index 9f20513811..54d6890912 100644
--- a/src/backend/access/gin/gindatapage.c
+++ b/src/backend/access/gin/gindatapage.c
@@ -1913,7 +1913,7 @@ ginInsertItemPointers(Relation index, BlockNumber rootBlkno,
 	{
 		/* search for the leaf page where the first item should go to */
 		btree.itemptr = insertdata.items[insertdata.curitem];
-		stack = ginFindLeafPage(&btree, false, NULL);
+		stack = ginFindLeafPage(&btree, false, true, NULL);
 
 		ginInsertValue(&btree, stack, &insertdata, buildStats);
 	}
@@ -1932,7 +1932,7 @@ ginScanBeginPostingTree(GinBtree btree, Relation index, BlockNumber rootBlkno,
 
 	btree->fullScan = true;
 
-	stack = ginFindLeafPage(btree, true, snapshot);
+	stack = ginFindLeafPage(btree, true, false, snapshot);
 
 	return stack;
 }
diff --git a/src/backend/access/gin/ginget.c b/src/backend/access/gin/ginget.c
index 8466d947ea..6bfe18c359 100644
--- a/src/backend/access/gin/ginget.c
+++ b/src/backend/access/gin/ginget.c
@@ -338,7 +338,7 @@ restartScanEntry:
 	ginPrepareEntryScan(&btreeEntry, entry->attnum,
 						entry->queryKey, entry->queryCategory,
 						ginstate);
-	stackEntry = ginFindLeafPage(&btreeEntry, true, snapshot);
+	stackEntry = ginFindLeafPage(&btreeEntry, true, false, snapshot);
 	page = BufferGetPage(stackEntry->buffer);
 
 	/* ginFindLeafPage() will have already checked snapshot age. */
@@ -679,7 +679,7 @@ entryLoadMoreItems(GinState *ginstate, GinScanEntry entry,
 						   OffsetNumberNext(GinItemPointerGetOffsetNumber(&advancePast)));
 		}
 		entry->btree.fullScan = false;
-		stack = ginFindLeafPage(&entry->btree, true, snapshot);
+		stack = ginFindLeafPage(&entry->btree, true, false, snapshot);
 
 		/* we don't need the stack, just the buffer. */
 		entry->buffer = stack->buffer;
diff --git a/src/backend/access/gin/gininsert.c b/src/backend/access/gin/gininsert.c
index 5281eb6823..2781d3fdd8 100644
--- a/src/backend/access/gin/gininsert.c
+++ b/src/backend/access/gin/gininsert.c
@@ -195,7 +195,7 @@ ginEntryInsert(GinState *ginstate,
 
 	ginPrepareEntryScan(&btree, attnum, key, category, ginstate);
 
-	stack = ginFindLeafPage(&btree, false, NULL);
+	stack = ginFindLeafPage(&btree, false, false, NULL);
 	page = BufferGetPage(stack->buffer);
 
 	if (btree.findItem(&btree, stack))
diff --git a/src/include/access/gin_private.h b/src/include/access/gin_private.h
index 81bf8734ce..bca8246319 100644
--- a/src/include/access/gin_private.h
+++ b/src/include/access/gin_private.h
@@ -195,7 +195,8 @@ typedef struct
  * PostingItem
  */
 
-extern GinBtreeStack *ginFindLeafPage(GinBtree btree, bool searchMode, Snapshot snapshot);
+extern GinBtreeStack *ginFindLeafPage(GinBtree btree, bool searchMode,
+				bool rootConflictCheck, Snapshot snapshot);
 extern Buffer ginStepRight(Buffer buffer, Relation index, int lockmode);
 extern void freeGinBtreeStack(GinBtreeStack *stack);
 extern void ginInsertValue(GinBtree btree, GinBtreeStack *stack,