diff --git a/Samples/ARM32-FirmwareTPM/optee_ta/fTPM/user_ta_header_defines.h b/Samples/ARM32-FirmwareTPM/optee_ta/fTPM/user_ta_header_defines.h
index 92c33c16..e83619d5 100644
--- a/Samples/ARM32-FirmwareTPM/optee_ta/fTPM/user_ta_header_defines.h
+++ b/Samples/ARM32-FirmwareTPM/optee_ta/fTPM/user_ta_header_defines.h
@@ -44,7 +44,7 @@
 
 #define TA_UUID                     TA_FTPM_UUID
 
-#define TA_FLAGS                    (TA_FLAG_SINGLE_INSTANCE | TA_FLAG_INSTANCE_KEEP_ALIVE)
+#define TA_FLAGS                    (TA_FLAG_SINGLE_INSTANCE | TA_FLAG_INSTANCE_KEEP_ALIVE | TA_FLAG_DEVICE_ENUM_SUPP)
 #define TA_STACK_SIZE               (64 * 1024)
 #define TA_DATA_SIZE                (32 * 1024)