diff --git a/openair-cn/S1AP/s1ap_common.h b/openair-cn/S1AP/s1ap_common.h
index 12060deacd7d5e364a6a6fbd9ed9a260c7907c92..362b9f9b22eb97ff3343a1422124fc7ed94cfa85 100644
--- a/openair-cn/S1AP/s1ap_common.h
+++ b/openair-cn/S1AP/s1ap_common.h
@@ -407,12 +407,14 @@ extern int asn1_xer_print;
 # define S1AP_ERROR(x, args...) LOG_E(S1AP, x, ##args)
 # define S1AP_WARN(x, args...)  LOG_W(S1AP, x, ##args)
 # define S1AP_TRAF(x, args...)  LOG_T(S1AP, x, ##args)
+# define S1AP_INFO(x, args...) LOG_I(S1AP, x, ##args)
 # define S1AP_DEBUG(x, args...) LOG_D(S1AP, x, ##args)
 #else
 # include "mme_default_values.h"
 # define S1AP_ERROR(x, args...) do { fprintf(stdout, "[S1AP][E]"x, ##args); } while(0)
 # define S1AP_WARN(x, args...)  do { fprintf(stdout, "[S1AP][W]"x, ##args); } while(0)
 # define S1AP_TRAF(x, args...)  do { fprintf(stdout, "[S1AP][T]"x, ##args); } while(0)
+# define S1AP_INFO(x, args...) do { fprintf(stdout, "[S1AP][I]"x, ##args); } while(0)
 # define S1AP_DEBUG(x, args...) do { fprintf(stdout, "[S1AP][D]"x, ##args); } while(0)
 #endif