diff --git a/drivers/external_device_manager/base/ddk_types.h b/drivers/external_device_manager/base/ddk_types.h
index 9af242d4b33071fefb671eeb8468c461272ef854..ad0a6ea35035d0a7c0547db6a83ccc2d74ed7ecf 100644
--- a/drivers/external_device_manager/base/ddk_types.h
+++ b/drivers/external_device_manager/base/ddk_types.h
@@ -78,11 +78,11 @@ typedef enum {
     /** @error Operation failed */
     DDK_FAILURE = 28600001,
     /** @error Invalid parameter */
-    DDK_INVALID_PARAMETER,
+    DDK_INVALID_PARAMETER = 28600002,
     /** @error Invalid operation */
-    DDK_INVALID_OPERATION,
+    DDK_INVALID_OPERATION = 28600003,
     /** @error Null pointer exception */
-    DDK_NULL_PTR
+    DDK_NULL_PTR = 28600004
 } DDK_RetCode;
 #ifdef __cplusplus
 }