diff --git a/testhal/STM32/multi/EFL-MFS/cfg/stm32l476_discovery/portab.c b/testhal/STM32/multi/EFL-MFS/cfg/stm32l476_discovery/portab.c
index 878e69c05..302bc0145 100644
--- a/testhal/STM32/multi/EFL-MFS/cfg/stm32l476_discovery/portab.c
+++ b/testhal/STM32/multi/EFL-MFS/cfg/stm32l476_discovery/portab.c
@@ -24,6 +24,8 @@
 
 #include "hal.h"
 
+#include "hal_mfs.h"
+
 #include "portab.h"
 
 /*===========================================================================*/
@@ -34,6 +36,16 @@
 /* Module exported variables.                                                */
 /*===========================================================================*/
 
+const MFSConfig mfscfg1 = {
+  .flashp           = (BaseFlash *)&EFLD1,
+  .erased           = 0xFFFFFFFFU,
+  .bank_size        = 4096U,
+  .bank0_start      = 128U,
+  .bank0_sectors    = 2U,
+  .bank1_start      = 130U,
+  .bank1_sectors    = 2U
+};
+
 /*===========================================================================*/
 /* Module local types.                                                       */
 /*===========================================================================*/
diff --git a/testhal/STM32/multi/EFL-MFS/cfg/stm32l476_discovery/portab.h b/testhal/STM32/multi/EFL-MFS/cfg/stm32l476_discovery/portab.h
index 25f3c4d4c..8b9cd80d5 100644
--- a/testhal/STM32/multi/EFL-MFS/cfg/stm32l476_discovery/portab.h
+++ b/testhal/STM32/multi/EFL-MFS/cfg/stm32l476_discovery/portab.h
@@ -39,6 +39,8 @@
 
 #define PORTAB_SD1                  SD2
 
+#define PORTAB_EFLD                 EFLD1
+
 /*===========================================================================*/
 /* Module pre-compile time settings.                                         */
 /*===========================================================================*/
diff --git a/testhal/STM32/multi/EFL-MFS/main.c b/testhal/STM32/multi/EFL-MFS/main.c
index 70313fb3a..ca8b03e9f 100644
--- a/testhal/STM32/multi/EFL-MFS/main.c
+++ b/testhal/STM32/multi/EFL-MFS/main.c
@@ -25,15 +25,7 @@
 
 #include "portab.h"
 
-const MFSConfig mfscfg1 = {
-  .flashp           = (BaseFlash *)&EFLD1,
-  .erased           = 0xFFFFFFFFU,
-  .bank_size        = 4096U,
-  .bank0_start      = 128U,
-  .bank0_sectors    = 2U,
-  .bank1_start      = 130U,
-  .bank1_sectors    = 2U
-};
+extern const MFSConfig mfscfg1;
 
 /*
  * LED blinker thread, times are in milliseconds.
@@ -70,7 +62,7 @@ int main(void) {
   portab_setup();
 
   /* Starting EFL driver.*/
-  eflStart(&EFLD1, NULL);
+  eflStart(&PORTAB_EFLD, NULL);
 
   /* Starting a serial port for test report output.*/
   sdStart(&PORTAB_SD1, NULL);