diff --git a/tsl/src/remote/txn_resolve.c b/tsl/src/remote/txn_resolve.c
index 997616e64..8d1b316a9 100644
--- a/tsl/src/remote/txn_resolve.c
+++ b/tsl/src/remote/txn_resolve.c
@@ -28,15 +28,22 @@ remote_txn_resolution(Oid foreign_server, const RemoteTxnId *transaction_id)
 	return REMOTE_TXN_RESOLUTION_ABORT;
 }
 
-/* Resolve any unresolved 2-pc transaction on a data node.
-   Since the remote_txn log can be long, and most txn there
-   will have been resolved, do not iterate that list.
-   Instead query the data node for the list of unresolved txns
-   via the pg_prepared_xacts view. Using that list, then check
-   remote_txn. Use this as an opportunity to clean up remote_txn
-   as well.
-*/
-#define GET_PREPARED_XACT_SQL "SELECT gid FROM pg_prepared_xacts"
+/*
+ * Resolve any unresolved 2-pc transaction on a data node.
+ * Since the remote_txn log can be long, and most txn there
+ * will have been resolved, do not iterate that list.
+ *
+ * Instead query the data node for the list of unresolved txns
+ * via the pg_prepared_xacts view. Using that list, then check
+ * remote_txn. Use this as an opportunity to clean up remote_txn
+ * as well.
+ *
+ * Note that pg_prepared_xacts shared across other databases which
+ * also could be distributed. Right now we interested only in
+ * the current one.
+ */
+#define GET_PREPARED_XACT_SQL                                                                      \
+	"SELECT gid FROM pg_prepared_xacts WHERE database = current_database()"
 
 Datum
 remote_txn_heal_data_node(PG_FUNCTION_ARGS)
diff --git a/tsl/test/expected/remote_txn_resolve.out b/tsl/test/expected/remote_txn_resolve.out
index f689f8c47..d29c156d1 100644
--- a/tsl/test/expected/remote_txn_resolve.out
+++ b/tsl/test/expected/remote_txn_resolve.out
@@ -184,3 +184,24 @@ SELECT count(*) FROM _timescaledb_catalog.remote_txn;
      0
 (1 row)
 
+-- test that healing function does not conflict with other databases
+--
+-- #3433
+-- create additional database and simulate remote txn activity
+CREATE DATABASE test_an2;
+\c test_an2
+BEGIN;
+CREATE TABLE unused(id int);
+PREPARE TRANSACTION 'ts-1-10-20-30';
+\c :TEST_DBNAME :ROLE_SUPERUSER
+-- should not fail
+SELECT _timescaledb_internal.remote_txn_heal_data_node((SELECT OID FROM pg_foreign_server WHERE srvname = 'loopback'));
+ remote_txn_heal_data_node 
+---------------------------
+                         0
+(1 row)
+
+\c test_an2
+ROLLBACK PREPARED 'ts-1-10-20-30';
+\c :TEST_DBNAME :ROLE_SUPERUSER
+DROP DATABASE test_an2;
diff --git a/tsl/test/sql/remote_txn_resolve.sql b/tsl/test/sql/remote_txn_resolve.sql
index 512a7254a..07d77edaf 100644
--- a/tsl/test/sql/remote_txn_resolve.sql
+++ b/tsl/test/sql/remote_txn_resolve.sql
@@ -74,3 +74,21 @@ COMMIT PREPARED 'non-ts-txn';
 SELECT * FROM table_modified_by_txns;
 SELECT count(*) FROM pg_prepared_xacts;
 SELECT count(*) FROM _timescaledb_catalog.remote_txn;
+
+-- test that healing function does not conflict with other databases
+--
+-- #3433
+
+-- create additional database and simulate remote txn activity
+CREATE DATABASE test_an2;
+\c test_an2
+BEGIN;
+CREATE TABLE unused(id int);
+PREPARE TRANSACTION 'ts-1-10-20-30';
+\c :TEST_DBNAME :ROLE_SUPERUSER
+-- should not fail
+SELECT _timescaledb_internal.remote_txn_heal_data_node((SELECT OID FROM pg_foreign_server WHERE srvname = 'loopback'));
+\c test_an2
+ROLLBACK PREPARED 'ts-1-10-20-30';
+\c :TEST_DBNAME :ROLE_SUPERUSER
+DROP DATABASE test_an2;