diff --git a/lib/error.c b/lib/error.c
index 52ca8038..ab104e96 100644
--- a/lib/error.c
+++ b/lib/error.c
@@ -1,6 +1,7 @@
 /*
     error.c - Part of libsensors, a Linux library for reading sensor data.
     Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
+    Copyright (C) 2007        Jean Delvare <khali@linux-fr.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -31,11 +32,11 @@ void (*sensors_fatal_error) (const char *proc, const char *err) =
 						sensors_default_fatal_error;
 
 static const char *errorlist[] = {
-	/* Unknown error         */ "sensors_strerror: Unknown error!",
+	/* Invalid error code    */ NULL,
 	/* SENSORS_ERR_WILDCARDS */ "Wildcard found in chip name",
 	/* SENSORS_ERR_NO_ENTRY  */ "No such subfeature known",
-	/* SENSORS_ERR_ACCESS    */ "Can't read or write",
-	/* SENSORS_ERR_PROC      */ "Can't access sysfs file",
+	/* SENSORS_ERR_NO_DEVS   */ "No devices found",
+	/* SENSORS_ERR_KERNEL    */ "Kernel interface error",
 	/* SENSORS_ERR_DIV_ZERO  */ "Divide by zero",
 	/* SENSORS_ERR_CHIP_NAME */ "Can't parse chip name",
 	/* SENSORS_ERR_BUS_NAME  */ "Can't parse bus name",
diff --git a/lib/error.h b/lib/error.h
index 1e7b8ebd..e9be52fb 100644
--- a/lib/error.h
+++ b/lib/error.h
@@ -1,6 +1,7 @@
 /*
     error.h - Part of libsensors, a Linux library for reading sensor data.
     Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
+    Copyright (C) 2007        Jean Delvare <khali@linux-fr.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -22,8 +23,8 @@
 
 #define SENSORS_ERR_WILDCARDS	1 /* Wildcard found in chip name */
 #define SENSORS_ERR_NO_ENTRY	2 /* No such subfeature known */
-#define SENSORS_ERR_ACCESS	3 /* Can't read or write */
-#define SENSORS_ERR_PROC	4 /* Can't access /proc file */
+#define SENSORS_ERR_NO_DEVS	3 /* No devices found */
+#define SENSORS_ERR_KERNEL	4 /* Kernel interface error */
 #define SENSORS_ERR_DIV_ZERO	5 /* Divide by zero */
 #define SENSORS_ERR_CHIP_NAME	6 /* Can't parse chip name */
 #define SENSORS_ERR_BUS_NAME	7 /* Can't parse bus name */
diff --git a/lib/init.c b/lib/init.c
index 94f078eb..e06696d8 100644
--- a/lib/init.c
+++ b/lib/init.c
@@ -33,7 +33,7 @@ int sensors_init(FILE *input)
 	int res;
 
 	if (!sensors_init_sysfs())
-		return -SENSORS_ERR_PROC;
+		return -SENSORS_ERR_KERNEL;
 	if ((res = sensors_read_sysfs_bus()) ||
 	    (res = sensors_read_sysfs_chips()))
 		return res;
diff --git a/lib/sysfs.c b/lib/sysfs.c
index 8b4720ea..2fe9d826 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -344,7 +344,7 @@ int sensors_init_sysfs(void)
 static int sensors_read_one_sysfs_chip(struct sysfs_device *dev)
 {
 	int domain, bus, slot, fn;
-	int err = -SENSORS_ERR_PARSE;
+	int err = -SENSORS_ERR_KERNEL;
 	struct sysfs_attribute *attr, *bus_attr;
 	char bus_path[SYSFS_PATH_MAX];
 	sensors_chip_features entry;
@@ -430,13 +430,13 @@ static int sensors_read_sysfs_chips_compat(void)
 
 	if (!(bus = sysfs_open_bus("i2c"))) {
 		if (errno && errno != ENOENT)
-			ret = -SENSORS_ERR_PROC;
+			ret = -SENSORS_ERR_NO_DEVS;
 		goto exit0;
 	}
 
 	if (!(devs = sysfs_get_bus_devices(bus))) {
 		if (errno && errno != ENOENT)
-			ret = -SENSORS_ERR_PROC;
+			ret = -SENSORS_ERR_NO_DEVS;
 		goto exit1;
 	}
 
@@ -467,14 +467,14 @@ int sensors_read_sysfs_chips(void)
 
 	if (!(clsdevs = sysfs_get_class_devices(cls))) {
 		if (errno && errno != ENOENT)
-			ret = -SENSORS_ERR_PROC;
+			ret = -SENSORS_ERR_NO_DEVS;
 		goto exit;
 	}
 
 	dlist_for_each_data(clsdevs, clsdev, struct sysfs_class_device) {
 		struct sysfs_device *dev;
 		if (!(dev = sysfs_get_classdev_device(clsdev))) {
-			ret = -SENSORS_ERR_PROC;
+			ret = -SENSORS_ERR_NO_DEVS;
 			goto exit;
 		}
 		if ((ret = sensors_read_one_sysfs_chip(dev)))
@@ -498,13 +498,13 @@ int sensors_read_sysfs_bus(void)
 
 	if (!(cls = sysfs_open_class("i2c-adapter"))) {
 		if (errno && errno != ENOENT)
-			ret = -SENSORS_ERR_PROC;
+			ret = -SENSORS_ERR_KERNEL;
 		goto exit0;
 	}
 
 	if (!(clsdevs = sysfs_get_class_devices(cls))) {
 		if (errno && errno != ENOENT)
-			ret = -SENSORS_ERR_PROC;
+			ret = -SENSORS_ERR_KERNEL;
 		goto exit1;
 	}
 
@@ -553,10 +553,10 @@ int sensors_read_sysfs_attr(const sensors_chip_name *name,
 		int res = fscanf(f, "%lf", value);
 		fclose(f);
 		if (res != 1)
-			return -SENSORS_ERR_PROC;
+			return -SENSORS_ERR_KERNEL;
 		*value /= get_type_scaling(subfeature->type);
 	} else
-		return -SENSORS_ERR_PROC;
+		return -SENSORS_ERR_KERNEL;
 
 	return 0;
 }
@@ -574,7 +574,7 @@ int sensors_write_sysfs_attr(const sensors_chip_name *name,
 		fprintf(f, "%d", (int) value);
 		fclose(f);
 	} else
-		return -SENSORS_ERR_PROC;
+		return -SENSORS_ERR_KERNEL;
 
 	return 0;
 }
diff --git a/prog/sensors/main.c b/prog/sensors/main.c
index 22f3efb1..d1e723b0 100644
--- a/prog/sensors/main.c
+++ b/prog/sensors/main.c
@@ -171,8 +171,8 @@ static int do_a_set(const sensors_chip_name *name)
 	int res;
 
 	if ((res = sensors_do_chip_sets(name))) {
-		if (res == -SENSORS_ERR_PROC) {
-			fprintf(stderr, "%s: %s for writing;\n",
+		if (res == -SENSORS_ERR_KERNEL) {
+			fprintf(stderr, "%s: %s;\n",
 				sprintf_chip_name(name),
 				sensors_strerror(res));
 			fprintf(stderr, "Run as root?\n");