diff --git a/libs/freetdm/src/include/ftdm_types.h b/libs/freetdm/src/include/ftdm_types.h
index bf7720efd1..a4f4eda047 100644
--- a/libs/freetdm/src/include/ftdm_types.h
+++ b/libs/freetdm/src/include/ftdm_types.h
@@ -383,7 +383,8 @@ typedef enum {
 } ftdm_channel_state_t;
 #define CHANNEL_STATE_STRINGS "DOWN", "HOLD", "SUSPENDED", "DIALTONE", "COLLECT", \
 		"RING", "BUSY", "ATTN", "GENRING", "DIALING", "GET_CALLERID", "CALLWAITING", \
-		"RESTART", "PROGRESS", "PROGRESS_MEDIA", "UP", "IDLE", "TERMINATING", "CANCEL", "HANGUP", "HANGUP_COMPLETE", "INVALID"
+		"RESTART", "PROGRESS", "PROGRESS_MEDIA", "UP", "IDLE", "TERMINATING", "CANCEL", \
+		"HANGUP", "HANGUP_COMPLETE", "IN_LOOP", "INVALID"
 FTDM_STR2ENUM_P(ftdm_str2ftdm_channel_state, ftdm_channel_state2str, ftdm_channel_state_t)
 
 typedef enum {