diff --git a/mysql-test/main/derived_split_innodb.result b/mysql-test/main/derived_split_innodb.result
index cf5076724d1..894384d5bfc 100644
--- a/mysql-test/main/derived_split_innodb.result
+++ b/mysql-test/main/derived_split_innodb.result
@@ -848,4 +848,61 @@ SELECT * FROM t1 WHERE t1.a IN (SELECT b FROM
 (SELECT t2.b FROM t2 WHERE NOT EXISTS (SELECT 1 FROM t3) GROUP BY b) sq);
 a
 DROP TABLE t1, t2, t3;
+#
+# MDEV-23878: Wrong result with semi-join and splittable derived table
+#
+CREATE TABLE t1 (
+groupId int,
+id int unsigned,
+PRIMARY KEY (groupId, id)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+INSERT INTO t1 VALUES
+(8,1),(8,2),(8,3),(8,4),(8,5),(8,6),(8,7),(8,8),(8,9),(8,10),
+(8,11),(8,12),(8,13),(8,14),(8,15),(8,16),(8,17),(8,18),(8,19);
+set statement in_predicate_conversion_threshold=2 for SELECT COUNT(*) AS cnt FROM t1
+JOIN
+(
+SELECT groupId, id
+FROM t1
+WHERE id IN (1,2,3,4,5,6)
+GROUP BY groupId, id
+) AS t2
+USING (groupId, id)
+WHERE id IN (1,2,3,4,5,6,7,8);
+cnt
+6
+set statement in_predicate_conversion_threshold=2 for EXPLAIN SELECT COUNT(*) AS cnt FROM t1
+JOIN
+(
+SELECT groupId, id
+FROM t1
+WHERE id IN (1,2,3,4,5,6)
+GROUP BY groupId, id
+) AS t2
+USING (groupId, id)
+WHERE id IN (1,2,3,4,5,6,7,8);
+id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
+1	PRIMARY	t1	index	PRIMARY	PRIMARY	8	NULL	19	Using index
+1	PRIMARY	<subquery4>	eq_ref	distinct_key	distinct_key	4	func	1	Using where
+1	PRIMARY	<derived3>	ref	key0	key0	8	test.t1.groupId,test.t1.id	2	
+4	MATERIALIZED	<derived5>	ALL	NULL	NULL	NULL	NULL	8	
+5	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+3	LATERAL DERIVED	t1	eq_ref	PRIMARY	PRIMARY	8	test.t1.groupId,test.t1.id	1	Using index
+3	LATERAL DERIVED	<derived7>	ref	key0	key0	4	test.t1.id	2	Using where; FirstMatch(t1)
+7	DERIVED	NULL	NULL	NULL	NULL	NULL	NULL	NULL	No tables used
+set statement optimizer_switch='split_materialized=off, loosescan=off' for
+set statement in_predicate_conversion_threshold=2 for
+SELECT COUNT(*) AS cnt FROM t1
+JOIN
+(
+SELECT groupId, id
+FROM t1
+WHERE id IN (1,2,3,4,5,6)
+GROUP BY groupId, id
+) AS t2
+USING (groupId, id)
+WHERE id IN (1,2,3,4,5,6,7,8);
+cnt
+6
+DROP TABLE t1;
 # End of 10.4 tests
diff --git a/mysql-test/main/derived_split_innodb.test b/mysql-test/main/derived_split_innodb.test
index 0909e3de9a6..d7756cb8fc5 100644
--- a/mysql-test/main/derived_split_innodb.test
+++ b/mysql-test/main/derived_split_innodb.test
@@ -503,4 +503,46 @@ SELECT * FROM t1 WHERE t1.a IN (SELECT b FROM
 
 DROP TABLE t1, t2, t3;
 
+--echo #
+--echo # MDEV-23878: Wrong result with semi-join and splittable derived table
+--echo #
+
+CREATE TABLE t1 (
+  groupId int,
+  id int unsigned,
+  PRIMARY KEY (groupId, id)
+) ENGINE=InnoDB DEFAULT CHARSET=latin1;
+
+INSERT INTO t1 VALUES
+  (8,1),(8,2),(8,3),(8,4),(8,5),(8,6),(8,7),(8,8),(8,9),(8,10),
+  (8,11),(8,12),(8,13),(8,14),(8,15),(8,16),(8,17),(8,18),(8,19);
+
+let $query=
+SELECT COUNT(*) AS cnt FROM t1
+JOIN
+(
+  SELECT groupId, id
+  FROM t1
+  WHERE id IN (1,2,3,4,5,6)
+  GROUP BY groupId, id
+) AS t2
+USING (groupId, id)
+WHERE id IN (1,2,3,4,5,6,7,8);
+
+let $tvc_conversion_threshold =
+  set statement in_predicate_conversion_threshold=2 for;
+
+eval $tvc_conversion_threshold $query;
+eval $tvc_conversion_threshold EXPLAIN $query;
+
+let $no_split_materialized_loosescan=
+  set statement optimizer_switch='split_materialized=off, loosescan=off' for;
+
+# Correct result with split materializied optimization disabled
+eval $no_split_materialized_loosescan
+  $tvc_conversion_threshold
+  $query;
+
+DROP TABLE t1;
+
 --echo # End of 10.4 tests
diff --git a/sql/opt_split.cc b/sql/opt_split.cc
index 63d430384b8..0d479bbda3e 100644
--- a/sql/opt_split.cc
+++ b/sql/opt_split.cc
@@ -1332,6 +1332,7 @@ bool JOIN::fix_all_splittings_in_plan()
 {
   table_map prev_tables= 0;
   table_map all_tables= (table_map(1) << table_count) - 1;
+  table_map prev_sjm_lookup_tables= 0;
   for (uint tablenr= 0; tablenr < table_count; tablenr++)
   {
     POSITION *cur_pos= &best_positions[tablenr];
@@ -1340,7 +1341,7 @@ bool JOIN::fix_all_splittings_in_plan()
     {
       SplM_plan_info *spl_plan= cur_pos->spl_plan;
       table_map excluded_tables= (all_tables & ~prev_tables) |
-                                 sjm_lookup_tables;
+                                 prev_sjm_lookup_tables;
                                    ;
       if (spl_plan)
       {
@@ -1358,6 +1359,8 @@ bool JOIN::fix_all_splittings_in_plan()
           return true;
     }
     prev_tables|= tab->table->map;
+    if (cur_pos->sj_strategy == SJ_OPT_MATERIALIZE)
+        prev_sjm_lookup_tables|= tab->table->map;
   }
   return false;
 }