diff --git a/src/class/usbtmc/usbtmc_device.c b/src/class/usbtmc/usbtmc_device.c
index 6c9b42449..d5f8fe41d 100644
--- a/src/class/usbtmc/usbtmc_device.c
+++ b/src/class/usbtmc/usbtmc_device.c
@@ -145,7 +145,7 @@ typedef struct
   usbtmc_capabilities_specific_t const * capabilities;
 } usbtmc_interface_state_t;
 
-static usbtmc_interface_state_t usbtmc_state =
+CFG_TUSB_MEM_SECTION static usbtmc_interface_state_t usbtmc_state =
 {
     .itf_id = 0xFF,
 };