diff --git a/configure.d/1_mq_flags.conf b/configure.d/1_mq_flags.conf
index 4eb9bf0..848e76a 100644
--- a/configure.d/1_mq_flags.conf
+++ b/configure.d/1_mq_flags.conf
@@ -1,6 +1,7 @@
 #!/bin/bash
 #
 # Copyright(c) 2012-2022 Intel Corporation
+# Copyright(c) 2025 Huawei Technologies
 # SPDX-License-Identifier: BSD-3-Clause
 #
 
@@ -22,6 +23,11 @@ check() {
         output=$((output+2))
     fi
 
+    if compile_module $cur_name "BLK_MQ_F_SHOULD_MERGE ;" "linux/blk-mq.h"
+    then
+        output=$((output+4))
+    fi
+
     echo $cur_name $output >> $config_file_path
 }
 
@@ -42,6 +48,14 @@ apply() {
     else
         add_define "CAS_BLK_MQ_F_BLOCKING 0"
     fi
+
+    if ((arg & 4))
+    then
+        add_define "CAS_BLK_MQ_F_SHOULD_MERGE \\
+            BLK_MQ_F_SHOULD_MERGE"
+    else
+        add_define "CAS_BLK_MQ_F_SHOULD_MERGE 0"
+    fi
 }
 
 conf_run $@
diff --git a/modules/cas_cache/exp_obj.c b/modules/cas_cache/exp_obj.c
index 8b53748..3d5f85d 100644
--- a/modules/cas_cache/exp_obj.c
+++ b/modules/cas_cache/exp_obj.c
@@ -351,7 +351,8 @@ static int _cas_init_tag_set(struct cas_disk *dsk, struct blk_mq_tag_set *set)
 	set->queue_depth = CAS_BLKDEV_DEFAULT_RQ;
 
 	set->cmd_size = 0;
-	set->flags = BLK_MQ_F_SHOULD_MERGE | CAS_BLK_MQ_F_STACKING | CAS_BLK_MQ_F_BLOCKING;
+	set->flags = CAS_BLK_MQ_F_SHOULD_MERGE | CAS_BLK_MQ_F_STACKING |
+			CAS_BLK_MQ_F_BLOCKING;
 
 	set->driver_data = dsk;