diff -Nru collectd-2.1.0/src/sensors.c collectd-2.1.0-new/src/sensors.c
--- collectd-2.1.0/src/sensors.c	2005-09-07 21:49:14.000000000 +0200
+++ collectd-2.1.0-new/src/sensors.c	2005-09-24 19:48:26.000000000 +0200
@@ -11,7 +11,7 @@
 
 featurelist_t *first_feature = NULL;
 
-static char *filename_format = "sensors-%s.rrd";
+static char *filename_format = "sensors-%s-%s.rrd";
 
 static char *ds_def[] =
 {
@@ -103,12 +103,12 @@
 		sensors_cleanup ();
 }
 
-void sensor_update_rrd (const char *feat_name, double value)
+void sensor_update_rrd (const char *chip_name, const char *feat_name, double value)
 {
 	char filename[128];
 	char buffer[128];
 
-	if (snprintf (filename, 128, filename_format, feat_name) < 1)
+	if (snprintf (filename, 128, filename_format, chip_name, feat_name) < 1)
 		return;
 
 	if (snprintf (buffer, 128, "N:%.3f", value) < 1)
@@ -127,7 +127,7 @@
 		if (sensors_get_feature (*feature->chip, feature->data->number, &value) < 0)
 			continue;
 
-		sensor_update_rrd (feature->data->name, value);
+		sensor_update_rrd (feature->chip->prefix, feature->data->name, value);
 	}
 
 	return (0);