diff --git a/fsw/platform_inc/sch_lab_table.h b/fsw/platform_inc/sch_lab_table.h
index ad2cefa..97724d9 100644
--- a/fsw/platform_inc/sch_lab_table.h
+++ b/fsw/platform_inc/sch_lab_table.h
@@ -28,6 +28,8 @@
 ** Notes:
 **
 *************************************************************************/
+#ifndef sch_lab_sched_tab_h_
+#define sch_lab_sched_tab_h_
 
 #include "cfe_sb_extern_typedefs.h" /* for CFE_SB_MsgId_t */
 #include "cfe_msgids.h"
@@ -52,3 +54,5 @@ typedef struct
 {
     SCH_LAB_ScheduleTableEntry_t Config[SCH_LAB_MAX_SCHEDULE_ENTRIES];
 } SCH_LAB_ScheduleTable_t;
+
+#endif /* sch_lab_sched_tab_h_ */