diff --git a/src/test/regress/expected/master_copy_shard_placement.out b/src/test/regress/expected/master_copy_shard_placement.out
index b39be6d82..f8e37fa39 100644
--- a/src/test/regress/expected/master_copy_shard_placement.out
+++ b/src/test/regress/expected/master_copy_shard_placement.out
@@ -4,7 +4,7 @@ SET search_path TO mcsp;
 SET citus.next_shard_id TO 8139000;
 SET citus.shard_replication_factor TO 1;
 SET citus.replication_model TO 'statement';
-CREATE TABLE ref_table(a int);
+CREATE TABLE ref_table(a int, b text unique);
 SELECT create_reference_table('ref_table');
  create_reference_table
 ---------------------------------------------------------------------
@@ -62,6 +62,18 @@ SELECT master_copy_shard_placement(
            'localhost', :worker_2_port,
            do_repair := false);
 ERROR:  shard xxxxx already exists in the target node
+-- verify we error out if table has foreign key constraints
+INSERT INTO ref_table SELECT 1, value FROM data;
+ALTER TABLE data ADD CONSTRAINT distfk FOREIGN KEY (value) REFERENCES ref_table (b) MATCH FULL;
+SELECT master_copy_shard_placement(
+           get_shard_id_for_distribution_column('data', 'key-1'),
+           'localhost', :worker_2_port,
+           'localhost', :worker_1_port,
+           do_repair := false);
+ERROR:  cannot create foreign key constraint
+DETAIL:  This shard has foreign constraints on it. Citus currently supports foreign key constraints only for "citus.shard_replication_factor = 1".
+HINT:  Please change "citus.shard_replication_factor to 1". To learn more about using foreign keys with other replication factors, please contact us at https://citusdata.com/about/contact_us.
+ALTER TABLE data DROP CONSTRAINT distfk;
 -- replicate shard that contains key-1
 SELECT master_copy_shard_placement(
            get_shard_id_for_distribution_column('data', 'key-1'),
diff --git a/src/test/regress/sql/master_copy_shard_placement.sql b/src/test/regress/sql/master_copy_shard_placement.sql
index dee374809..6d0f2234c 100644
--- a/src/test/regress/sql/master_copy_shard_placement.sql
+++ b/src/test/regress/sql/master_copy_shard_placement.sql
@@ -5,7 +5,7 @@ SET citus.next_shard_id TO 8139000;
 SET citus.shard_replication_factor TO 1;
 SET citus.replication_model TO 'statement';
 
-CREATE TABLE ref_table(a int);
+CREATE TABLE ref_table(a int, b text unique);
 SELECT create_reference_table('ref_table');
 
 CREATE TABLE data (
@@ -52,6 +52,18 @@ SELECT master_copy_shard_placement(
            'localhost', :worker_2_port,
            do_repair := false);
 
+-- verify we error out if table has foreign key constraints
+INSERT INTO ref_table SELECT 1, value FROM data;
+
+ALTER TABLE data ADD CONSTRAINT distfk FOREIGN KEY (value) REFERENCES ref_table (b) MATCH FULL;
+SELECT master_copy_shard_placement(
+           get_shard_id_for_distribution_column('data', 'key-1'),
+           'localhost', :worker_2_port,
+           'localhost', :worker_1_port,
+           do_repair := false);
+
+ALTER TABLE data DROP CONSTRAINT distfk;
+
 -- replicate shard that contains key-1
 SELECT master_copy_shard_placement(
            get_shard_id_for_distribution_column('data', 'key-1'),