diff --git a/lib/pbio/platform/prime_hub/pbsysconfig.h b/lib/pbio/platform/prime_hub/pbsysconfig.h
index d9dea2cad..b9c11aa7a 100644
--- a/lib/pbio/platform/prime_hub/pbsysconfig.h
+++ b/lib/pbio/platform/prime_hub/pbsysconfig.h
@@ -10,7 +10,7 @@
 #define PBSYS_CONFIG_BLUETOOTH                      (1)
 #define PBSYS_CONFIG_BLUETOOTH_TOGGLE               (1)
 #define PBSYS_CONFIG_BLUETOOTH_TOGGLE_BUTTON        (512) // PBIO_BUTTON_RIGHT_UP, but enum value cannot be used here.
-#define PBSYS_CONFIG_HMI_NUM_SLOTS                  (0)
+#define PBSYS_CONFIG_HMI_NUM_SLOTS                  (5)
 #define PBSYS_CONFIG_HUB_LIGHT_MATRIX               (1)
 #define PBSYS_CONFIG_MAIN                           (1)
 #define PBSYS_CONFIG_STORAGE                        (1)