diff --git a/libs/freetdm/src/ftdm_io.c b/libs/freetdm/src/ftdm_io.c
index 1c05797102..18e39a3da9 100644
--- a/libs/freetdm/src/ftdm_io.c
+++ b/libs/freetdm/src/ftdm_io.c
@@ -36,7 +36,6 @@
  * David Yat Sin <dyatsin@sangoma.com>
  *
  */
-
 #define _GNU_SOURCE
 #include "private/ftdm_core.h"
 #include <stdarg.h>
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c
index 105dda1f6b..8d2b501850 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_ss7/ftmod_sangoma_ss7_support.c
@@ -213,7 +213,7 @@ ftdm_status_t copy_cdPtyNum_from_sngss7(ftdm_channel_t *ftdmchan, SiCdPtyNum *cd
 
 ftdm_status_t copy_cdPtyNum_to_sngss7(ftdm_channel_t *ftdmchan, SiCdPtyNum *cdPtyNum)
 {
-	char	*val = NULL;
+	const char	*val = NULL;
 	ftdm_caller_data_t *caller_data = &ftdmchan->caller_data;
 	sngss7_chan_data_t	*sngss7_info = ftdmchan->call_data;