diff --git a/src/sys_general.c b/src/sys_general.c
index 36854e7..6079409 100644
--- a/src/sys_general.c
+++ b/src/sys_general.c
@@ -36,7 +36,7 @@ const char * sys_model_name[] = {
  * Inputs:
  * info = pointer to a s_MODEL_info structure to fill out
  */
-void sys_get_information(p_sys_info info) {
+SYSTEMCALL void sys_get_information(p_sys_info info) {
     unsigned long gabe_id = 0;
     unsigned short genx_model_id = 0;
     unsigned short clock_speed = 0;
diff --git a/src/sys_general.h b/src/sys_general.h
index 53b8e03..1f2ae87 100644
--- a/src/sys_general.h
+++ b/src/sys_general.h
@@ -5,6 +5,7 @@
 #ifndef __SYS_GENERAL_H
 #define __SYS_GENERAL_H
 
+#include "sys_macros.h"
 #include "constants.h"
 #include "features.h"
 #include "sys_types.h"
@@ -65,7 +66,7 @@
  * Inputs:
  * info = pointer to a s_sys_info structure to fill out
  */
-extern void sys_get_information(p_sys_info info);
+extern SYSTEMCALL void sys_get_information(p_sys_info info);
 
 #if MODEL == MODEL_FOENIX_GENX || MODEL == MODEL_FOENIX_A2560X
 /*