diff --git a/config.c b/config.c
index 9c9e407..2c66d6b 100644
--- a/config.c
+++ b/config.c
@@ -195,8 +195,10 @@ static void scan_global_line(const char *s, struct config *cfg)
 
 	} else if (1 == sscanf(s, " freq_est_interval %d", &val)) {
 
-		if (val >= 0)
+		if (val >= 0) {
 			dds->freq_est_interval = val;
+			pod->freq_est_interval = val;
+		}
 
 	} else if (1 == sscanf(s, " assume_two_step %u", &val)) {
 
diff --git a/ds.h b/ds.h
index 31e6820..630986f 100644
--- a/ds.h
+++ b/ds.h
@@ -89,6 +89,7 @@ struct port_defaults {
 	UInteger8 transportSpecific;
 	int path_trace_enabled;
 	int follow_up_info;
+	int freq_est_interval; /*log seconds*/
 };
 
 #endif