diff --git a/components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h b/components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h
index e14773310..a71cf85c0 100644
--- a/components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h
+++ b/components/bt/host/bluedroid/common/include/common/bluedroid_user_config.h
@@ -19,6 +19,16 @@
 #include "bt_common.h"
 #include "bt_user_config.h"
 
+/**********************************************************
+ * Thread/Task reference
+ **********************************************************/
+#ifdef CONFIG_BTU_TASK_STACK_SIZE
+#define UC_BTU_TASK_STACK_SIZE              CONFIG_BTU_TASK_STACK_SIZE
+#else
+#define UC_BTU_TASK_STACK_SIZE              4096
+#endif
+
+
 /**********************************************************
  * Profile reference
  **********************************************************/
diff --git a/components/bt/host/bluedroid/common/include/common/bt_target.h b/components/bt/host/bluedroid/common/include/common/bt_target.h
index a59d3793e..c95820483 100644
--- a/components/bt/host/bluedroid/common/include/common/bt_target.h
+++ b/components/bt/host/bluedroid/common/include/common/bt_target.h
@@ -41,6 +41,10 @@
 
 #include "stack/dyn_mem.h"    /* defines static and/or dynamic memory for components */
 
+
+/* OS Configuration from User config (eg: sdkconfig) */
+#define BT_BTU_TASK_STACK_SIZE      UC_BTU_TASK_STACK_SIZE
+
 /******************************************************************************
 **
 ** Classic BT features
diff --git a/components/bt/host/bluedroid/stack/btu/btu_init.c b/components/bt/host/bluedroid/stack/btu/btu_init.c
index 80678bef8..430cd65af 100644
--- a/components/bt/host/bluedroid/stack/btu/btu_init.c
+++ b/components/bt/host/bluedroid/stack/btu/btu_init.c
@@ -45,7 +45,7 @@
 #endif
 
 #define BTU_TASK_PINNED_TO_CORE         (TASK_PINNED_TO_CORE)
-#define BTU_TASK_STACK_SIZE             (4096 + BT_TASK_EXTRA_STACK_SIZE)
+#define BTU_TASK_STACK_SIZE             (BT_BTU_TASK_STACK_SIZE + BT_TASK_EXTRA_STACK_SIZE)
 #define BTU_TASK_PRIO                   (BT_TASK_MAX_PRIORITIES - 5)
 #define BTU_TASK_NAME                   "btuT"