diff --git a/examples/device/cdc_msc_freertos/src/FreeRTOSConfig.h b/examples/device/cdc_msc_freertos/src/FreeRTOSConfig.h
index 494452d43..7b2b93d7b 100644
--- a/examples/device/cdc_msc_freertos/src/FreeRTOSConfig.h
+++ b/examples/device/cdc_msc_freertos/src/FreeRTOSConfig.h
@@ -71,6 +71,7 @@ extern uint32_t SystemCoreClock;
 #define configUSE_TIME_SLICING                  0
 #define configUSE_NEWLIB_REENTRANT              0
 #define configENABLE_BACKWARD_COMPATIBILITY     1
+#define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP   0
 
 #define configSUPPORT_STATIC_ALLOCATION         1
 #define configSUPPORT_DYNAMIC_ALLOCATION        0
diff --git a/examples/device/hid_composite_freertos/src/FreeRTOSConfig.h b/examples/device/hid_composite_freertos/src/FreeRTOSConfig.h
index 494452d43..7b2b93d7b 100644
--- a/examples/device/hid_composite_freertos/src/FreeRTOSConfig.h
+++ b/examples/device/hid_composite_freertos/src/FreeRTOSConfig.h
@@ -71,6 +71,7 @@ extern uint32_t SystemCoreClock;
 #define configUSE_TIME_SLICING                  0
 #define configUSE_NEWLIB_REENTRANT              0
 #define configENABLE_BACKWARD_COMPATIBILITY     1
+#define configSTACK_ALLOCATION_FROM_SEPARATE_HEAP   0
 
 #define configSUPPORT_STATIC_ALLOCATION         1
 #define configSUPPORT_DYNAMIC_ALLOCATION        0