diff --git a/cpukit/include/rtems/confdefs/inittask.h b/cpukit/include/rtems/confdefs/inittask.h
index a1bf5d3b54..3f76bee223 100644
--- a/cpukit/include/rtems/confdefs/inittask.h
+++ b/cpukit/include/rtems/confdefs/inittask.h
@@ -152,6 +152,8 @@ RTEMS_SYSINIT_ITEM(
 
 #ifndef CONFIGURE_INIT_TASK_STACK_SIZE
   #define CONFIGURE_INIT_TASK_STACK_SIZE CONFIGURE_MINIMUM_TASK_STACK_SIZE
+#elif CONFIGURE_INIT_TASK_STACK_SIZE < CONFIGURE_MINIMUM_TASK_STACK_SIZE
+  #error "CONFIGURE_INIT_TASK_STACK_SIZE must be greater than or equal to CONFIGURE_MINIMUM_TASK_STACK_SIZE"
 #endif
 
 #if CONFIGURE_INIT_TASK_STACK_SIZE > CONFIGURE_MINIMUM_TASK_STACK_SIZE