diff --git a/CMSIS/RTOS2/FreeRTOS/Include/cmsis_os2_control_blocks.h b/CMSIS/RTOS2/FreeRTOS/Include/cmsis_os2_control_blocks.h
index ce02e881..2623af06 100644
--- a/CMSIS/RTOS2/FreeRTOS/Include/cmsis_os2_control_blocks.h
+++ b/CMSIS/RTOS2/FreeRTOS/Include/cmsis_os2_control_blocks.h
@@ -17,6 +17,11 @@
 #define osTickRateHz (configTICK_RATE_HZ)
 #define osMaxDelayTicks (portMAX_DELAY)
 
+#ifndef configSPAN_SYS_TICK_RATE_HZ
+#error configSPAN_SYS_TICK_RATE_HZ must be defined to a literal integer
+#endif
+#define osSysTickRateHz (configSPAN_SYS_TICK_RATE_HZ)
+
 typedef StaticTask_t osThreadControlBlock;
 typedef MemPool_t osMemoryPoolControlBlock;
 typedef StaticQueue_t osMessageQueueControlBlock;
diff --git a/CMSIS/RTOS2/FreeRTOS/Include/os2_control_blocks.h b/CMSIS/RTOS2/FreeRTOS/Include/os2_control_blocks.h
index e4d8d6a6..fbf6789f 100644
--- a/CMSIS/RTOS2/FreeRTOS/Include/os2_control_blocks.h
+++ b/CMSIS/RTOS2/FreeRTOS/Include/os2_control_blocks.h
@@ -17,6 +17,11 @@
 #define osTickRateHz (configTICK_RATE_HZ)
 #define osMaxDelayTicks (portMAX_DELAY)
 
+#ifndef configSPAN_SYS_TICK_RATE_HZ
+#error configSPAN_SYS_TICK_RATE_HZ must be defined to a literal integer
+#endif
+#define osSysTickRateHz (configSPAN_SYS_TICK_RATE_HZ)
+
 typedef MemPool_t MemoryPoolControlBlock;
 typedef StaticQueue_t MessageQueueControlBlock;