diff --git a/mysql-test/suite/encryption/r/innodb_encrypt_temporary_tables.result b/mysql-test/suite/encryption/r/innodb_encrypt_temporary_tables.result
index d86ca6f9c0032..67f6c0d47de71 100644
--- a/mysql-test/suite/encryption/r/innodb_encrypt_temporary_tables.result
+++ b/mysql-test/suite/encryption/r/innodb_encrypt_temporary_tables.result
@@ -24,3 +24,12 @@ FROM information_schema.global_status
 WHERE variable_name = 'innodb_encryption_n_temp_blocks_decrypted';
 CAST(variable_value AS INT) > @old_decrypted
 1
+set @old_encrypt_tables= @@innodb_encrypt_tables;
+CREATE TEMPORARY TABLE t3 (c INT)ENCRYPTED=NO ENGINE=InnoDB;
+Warnings:
+Warning	1478	Ignoring encryption parameter during temporary table creation.
+SET GLOBAL innodb_encrypt_tables='FORCE';
+TRUNCATE TABLE t3;
+Warnings:
+Warning	1478	Ignoring encryption parameter during temporary table creation.
+SET GLOBAL innodb_encrypt_tables= @old_encrypt_tables;
diff --git a/mysql-test/suite/encryption/t/innodb_encrypt_temporary_tables.test b/mysql-test/suite/encryption/t/innodb_encrypt_temporary_tables.test
index c48e5cf5c73b9..5e9c1fabfa1fe 100644
--- a/mysql-test/suite/encryption/t/innodb_encrypt_temporary_tables.test
+++ b/mysql-test/suite/encryption/t/innodb_encrypt_temporary_tables.test
@@ -28,3 +28,9 @@ WHERE variable_name = 'innodb_encryption_n_temp_blocks_encrypted';
 SELECT CAST(variable_value AS INT) > @old_decrypted
 FROM information_schema.global_status
 WHERE variable_name = 'innodb_encryption_n_temp_blocks_decrypted';
+
+set @old_encrypt_tables= @@innodb_encrypt_tables;
+CREATE TEMPORARY TABLE t3 (c INT)ENCRYPTED=NO ENGINE=InnoDB;
+SET GLOBAL innodb_encrypt_tables='FORCE';
+TRUNCATE TABLE t3;
+SET GLOBAL innodb_encrypt_tables= @old_encrypt_tables;
diff --git a/storage/innobase/handler/ha_innodb.cc b/storage/innobase/handler/ha_innodb.cc
index 882ae68e5a5c9..9ff636aca2ad6 100644
--- a/storage/innobase/handler/ha_innodb.cc
+++ b/storage/innobase/handler/ha_innodb.cc
@@ -11292,7 +11292,13 @@ create_table_info_t::check_table_options()
 				" ENCRYPTION_KEY_ID=1");
 			compile_time_assert(FIL_DEFAULT_ENCRYPTION_KEY == 1);
 		}
-		if (srv_encrypt_tables != 2) {
+		/* m_trx is non-NULL because TRUNCATE that
+		passes its own transaction. TRUNCATE recreates
+		the table preserving the original ENCRYPTED=NO
+		attribute; bypass the innodb_encrypt_tables=FORCE
+		check here so the encryption state does not
+		silently change across a TRUNCATE. */
+		if (m_trx || srv_encrypt_tables != 2) {
 			break;
 		}
 		push_warning(
@@ -13887,6 +13893,26 @@ int ha_innobase::truncate()
   if (ib_table->is_temporary())
   {
     info.options|= HA_LEX_CREATE_TMP_TABLE;
+
+    /* Validate the create options before dropping the existing
+    table, so that a validation failure leaves the original table
+    intact instead of dropping it and then failing in create(),
+    which would leave the handler without a table. */
+    {
+      char norm_name[FN_REFLEN], remote_path[FN_REFLEN];
+      create_table_info_t validate(m_user_thd, table, &info, norm_name,
+                                   remote_path, true, trx);
+      int err= validate.initialize();
+      if (!err)
+        err= validate.prepare_create_table(ib_table->name.m_name, false);
+      if (err)
+      {
+        trx_rollback_for_mysql(trx);
+        trx->free();
+        DBUG_RETURN(err);
+      }
+    }
+
     btr_drop_temporary_table(*ib_table);
     m_prebuilt->table= nullptr;
     row_prebuilt_free(m_prebuilt);
diff --git a/storage/innobase/handler/ha_innodb.h b/storage/innobase/handler/ha_innodb.h
index 79e188b8d2025..c6d3ffa8c3f64 100644
--- a/storage/innobase/handler/ha_innodb.h
+++ b/storage/innobase/handler/ha_innodb.h
@@ -710,7 +710,10 @@ class create_table_info_t
 	/** Connection thread handle. */
 	THD*		m_thd;
 
-	/** InnoDB transaction handle. */
+	/** InnoDB transaction handle. Non-NULL only when
+	create is invoked from an truncation operation.
+	NULL for regular CREATE TABLE and ALTER TABLE,
+	which build their own transaction internally. */
 	trx_t*		m_trx;
 
 	/** Information on table columns and indexes. */