diff --git a/clock.c b/clock.c
index ee20a3c..ab048f5 100644
--- a/clock.c
+++ b/clock.c
@@ -830,7 +830,7 @@ struct clock *clock_create(struct config *config, int phc_index,
 	c->grand_master_capable = config_get_int(config, NULL, "gmCapable");
 	c->kernel_leap = config_get_int(config, NULL, "kernel_leap");
 	c->utc_offset = CURRENT_UTC_OFFSET;
-	c->time_source = dds->time_source;
+	c->time_source = config_get_int(config, NULL, "timeSource");
 	c->desc = dds->clock_desc;
 
 	if (c->free_running) {
diff --git a/config.c b/config.c
index 1007a27..71d96e5 100644
--- a/config.c
+++ b/config.c
@@ -127,6 +127,7 @@ struct config_item config_tab[] = {
 	GLOB_ITEM_DBL("step_threshold", 0.0, 0.0, DBL_MAX),
 	GLOB_ITEM_INT("summary_interval", 0, INT_MIN, INT_MAX),
 	PORT_ITEM_INT("syncReceiptTimeout", 0, 0, UINT8_MAX),
+	GLOB_ITEM_INT("timeSource", INTERNAL_OSCILLATOR, 0x10, 0xfe),
 	PORT_ITEM_INT("transportSpecific", 0, 0, 0x0F),
 	GLOB_ITEM_INT("tx_timestamp_timeout", 1, 1, INT_MAX),
 	PORT_ITEM_INT("udp_ttl", 1, 1, 255),
@@ -549,12 +550,6 @@ static enum parser_result parse_global_setting(const char *option,
 		for (i = 0; i < OUI_LEN; i++)
 			cfg->dds.clock_desc.manufacturerIdentity[i] = oui[i];
 
-	} else if (!strcmp(option, "timeSource")) {
-		r = get_ranged_int(value, &val, 0x10, 0xfe);
-		if (r != PARSED_OK)
-			return r;
-		cfg->dds.time_source = val;
-
 	} else if (!strcmp(option, "tsproc_mode")) {
 		if (!strcasecmp("filter", value))
 			cfg->dds.tsproc_mode = TSPROC_FILTER;
diff --git a/ds.h b/ds.h
index 505dc76..f32a26c 100644
--- a/ds.h
+++ b/ds.h
@@ -52,7 +52,6 @@ struct clock_description {
 
 struct default_ds {
 	struct defaultDS dds;
-	int time_source;
 	struct clock_description clock_desc;
 	enum tsproc_mode tsproc_mode;
 	enum filter_type delay_filter;
diff --git a/ptp4l.c b/ptp4l.c
index fcddd99..461f39d 100644
--- a/ptp4l.c
+++ b/ptp4l.c
@@ -52,7 +52,6 @@ static struct config cfg_settings = {
 			.priority2 = 128,
 			.domainNumber = 0,
 		},
-		.time_source = INTERNAL_OSCILLATOR,
 		.clock_desc = {
 			.productDescription = {
 				.max_symbols = 64,