diff --git a/src/hardware/hameg-hmo/api.c b/src/hardware/hameg-hmo/api.c
index a1969c6a..994c43e1 100644
--- a/src/hardware/hameg-hmo/api.c
+++ b/src/hardware/hameg-hmo/api.c
@@ -195,7 +195,6 @@ static int config_get(uint32_t key, GVariant **data,
 		break;
 	case SR_CONF_NUM_VDIV:
 		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
 			return SR_ERR_CHANNEL_GROUP;
 		} else if (cg_type == CG_ANALOG) {
 			for (i = 0; i < model->analog_channels; i++) {
@@ -212,7 +211,6 @@ static int config_get(uint32_t key, GVariant **data,
 		break;
 	case SR_CONF_VDIV:
 		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
 			return SR_ERR_CHANNEL_GROUP;
 		} else if (cg_type == CG_ANALOG) {
 			for (i = 0; i < model->analog_channels; i++) {
@@ -243,7 +241,6 @@ static int config_get(uint32_t key, GVariant **data,
 		break;
 	case SR_CONF_COUPLING:
 		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
 			return SR_ERR_CHANNEL_GROUP;
 		} else if (cg_type == CG_ANALOG) {
 			for (i = 0; i < model->analog_channels; i++) {
@@ -317,10 +314,8 @@ static int config_set(uint32_t key, GVariant *data,
 		}
 		break;
 	case SR_CONF_VDIV:
-		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
+		if (cg_type == CG_NONE)
 			return SR_ERR_CHANNEL_GROUP;
-		}
 
 		g_variant_get(data, "(tt)", &p, &q);
 
@@ -400,10 +395,8 @@ static int config_set(uint32_t key, GVariant *data,
 		}
 		break;
 	case SR_CONF_COUPLING:
-		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
+		if (cg_type == CG_NONE)
 			return SR_ERR_CHANNEL_GROUP;
-		}
 
 		tmp = g_variant_get_string(data, NULL);
 
diff --git a/src/hardware/yokogawa-dlm/api.c b/src/hardware/yokogawa-dlm/api.c
index f6f0ce8a..b6c468e3 100644
--- a/src/hardware/yokogawa-dlm/api.c
+++ b/src/hardware/yokogawa-dlm/api.c
@@ -215,7 +215,6 @@ static int config_get(uint32_t key, GVariant **data,
 		break;
 	case SR_CONF_NUM_VDIV:
 		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
 			return SR_ERR_CHANNEL_GROUP;
 		} else if (cg_type == CG_ANALOG) {
 				*data = g_variant_new_int32(model->num_ydivs);
@@ -228,7 +227,6 @@ static int config_get(uint32_t key, GVariant **data,
 	case SR_CONF_VDIV:
 		ret = SR_ERR_NA;
 		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
 			return SR_ERR_CHANNEL_GROUP;
 		} else if (cg_type != CG_ANALOG)
 			break;
@@ -258,7 +256,6 @@ static int config_get(uint32_t key, GVariant **data,
 	case SR_CONF_COUPLING:
 		ret = SR_ERR_NA;
 		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
 			return SR_ERR_CHANNEL_GROUP;
 		} else if (cg_type != CG_ANALOG)
 			break;
@@ -325,10 +322,8 @@ static int config_set(uint32_t key, GVariant *data,
 		}
 		break;
 	case SR_CONF_VDIV:
-		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
+		if (cg_type == CG_NONE)
 			return SR_ERR_CHANNEL_GROUP;
-		}
 
 		g_variant_get(data, "(tt)", &p, &q);
 
@@ -397,10 +392,8 @@ static int config_set(uint32_t key, GVariant *data,
 		ret = dlm_trigger_slope_set(sdi->conn, state->trigger_slope);
 		break;
 	case SR_CONF_COUPLING:
-		if (cg_type == CG_NONE) {
-			sr_err("No channel group specified.");
+		if (cg_type == CG_NONE)
 			return SR_ERR_CHANNEL_GROUP;
-		}
 
 		tmp = g_variant_get_string(data, NULL);
 
diff --git a/src/hwdriver.c b/src/hwdriver.c
index cad75e13..fe86fadb 100644
--- a/src/hwdriver.c
+++ b/src/hwdriver.c
@@ -772,6 +772,10 @@ SR_API int sr_config_get(const struct sr_dev_driver *driver,
 		g_variant_ref_sink(*data);
 	}
 
+	if (ret == SR_ERR_CHANNEL_GROUP)
+		sr_err("%s: No channel group specified.",
+			(sdi) ? sdi->driver->name : "unknown");
+
 	return ret;
 }