diff --git a/demos/ARMCM4-STM32F407-DISCOVERY-MEMS/main.c b/demos/ARMCM4-STM32F407-DISCOVERY-MEMS/main.c
index d125bf28a..f52b9bffb 100644
--- a/demos/ARMCM4-STM32F407-DISCOVERY-MEMS/main.c
+++ b/demos/ARMCM4-STM32F407-DISCOVERY-MEMS/main.c
@@ -238,6 +238,11 @@ int main(void) {
   halInit();
   chSysInit();
 
+  /*
+   * Shell manager initialization.
+   */
+  shellInit();
+
   /*
    * Initializes a serial-over-USB CDC driver.
    */