diff --git a/casadm/extended_err_msg.c b/casadm/extended_err_msg.c
index 752eb43..a5ff840 100644
--- a/casadm/extended_err_msg.c
+++ b/casadm/extended_err_msg.c
@@ -143,13 +143,17 @@ struct {
 	{
 		OCF_ERR_METADATA_FOUND,
 		"Old metadata found on device.\nPlease load cache metadata using --load"
-		   " option or use --force to\n discard on-disk metadata and"
-		  " start fresh cache instance.\n"
+		" option or use --force to\n discard on-disk metadata and"
+		" start fresh cache instance.\n"
 	},
 	{
 		OCF_ERR_CACHE_NAME_MISMATCH,
 		"Cache id specified by user and loaded from metadata are different"
 	},
+	{
+		OCF_ERR_INVAL_CACHE_DEV,
+		"Device does not meet requirements."
+	},
 
 	/* CAS kernel error mappings*/
 	{
diff --git a/modules/cas_cache/utils/cas_err.h b/modules/cas_cache/utils/cas_err.h
index c959d2d..0ad12b3 100644
--- a/modules/cas_cache/utils/cas_err.h
+++ b/modules/cas_cache/utils/cas_err.h
@@ -45,6 +45,7 @@ struct {
 	{ OCF_ERR_CORE_IN_INACTIVE_STATE,	ENODEV	},
 	{ OCF_ERR_INVALID_CACHE_MODE,		EINVAL	},
 	{ OCF_ERR_INVALID_CACHE_LINE_SIZE,	EINVAL	},
+	{ OCF_ERR_INVAL_CACHE_DEV,		EINVAL	},
 
 	/* CAS kernel error mappings*/
 	{ KCAS_ERR_ROOT,			EPERM	},