diff --git a/conf.c b/conf.c
index a7acd60..ee6895d 100644
--- a/conf.c
+++ b/conf.c
@@ -1212,7 +1212,7 @@ CNF_AddBroadcasts(void)
 
 /* ================================================== */
 
-unsigned short
+int
 CNF_GetNTPPort(void)
 {
   return ntp_port;
@@ -1220,7 +1220,7 @@ CNF_GetNTPPort(void)
 
 /* ================================================== */
 
-unsigned short
+int
 CNF_GetAcquisitionPort(void)
 {
   return acquisition_port;
diff --git a/conf.h b/conf.h
index fa493f9..2f9db00 100644
--- a/conf.h
+++ b/conf.h
@@ -42,8 +42,8 @@ extern void CNF_AddSources(void);
 extern void CNF_AddBroadcasts(void);
 extern void CNF_AddRefclocks(void);
 
-extern unsigned short CNF_GetAcquisitionPort(void);
-extern unsigned short CNF_GetNTPPort(void);
+extern int CNF_GetAcquisitionPort(void);
+extern int CNF_GetNTPPort(void);
 extern char *CNF_GetDriftFile(void);
 extern char *CNF_GetLogDir(void);
 extern char *CNF_GetDumpDir(void);