diff --git a/gpio_sysfs.c b/gpio_sysfs.c
index 48b4449..1b0ac4c 100644
--- a/gpio_sysfs.c
+++ b/gpio_sysfs.c
@@ -89,12 +89,12 @@ int gpio_direction(int pin, int dir)
 	snprintf(path, DIRECTION_MAX, "/sys/class/gpio/gpio%d/direction", pin);
 	fd = open(path, O_WRONLY);
 	if (-1 == fd) {
-		fprintf(stderr, "Failed to open gpio direction for writing!\n");
+		fprintf(stderr, "Failed to open gpio%d direction for writing!\n", pin);
 		return(-1);
 	}
 
 	if (-1 == write(fd, &s_directions_str[IN == dir ? 0 : 3], IN == dir ? 2 : 3)) {
-		fprintf(stderr, "Failed to set direction!\n");
+		fprintf(stderr, "Failed to set gpio%d direction!\n", pin);
 		return(-1);
 	}
 
@@ -117,12 +117,12 @@ int gpio_read(int pin)
 	snprintf(path, VALUE_MAX, "/sys/class/gpio/gpio%d/value", pin);
 	fd = open(path, O_RDONLY);
 	if (-1 == fd) {
-		fprintf(stderr, "Failed to open gpio value for reading!\n");
+		fprintf(stderr, "Failed to open gpio%d for reading!\n", pin);
 		return(-1);
 	}
 
 	if (-1 == read(fd, value_str, 3)) {
-		fprintf(stderr, "Failed to read value!\n");
+		fprintf(stderr, "Failed to read gpio%d!\n", pin);
 		return(-1);
 	}
 
@@ -146,12 +146,12 @@ int gpio_write(int pin, int value)
 	snprintf(path, VALUE_MAX, "/sys/class/gpio/gpio%d/value", pin);
 	fd = open(path, O_WRONLY);
 	if (-1 == fd) {
-		fprintf(stderr, "Failed to open gpio value for writing!\n");
+		fprintf(stderr, "Failed to open gpio% for writing!\n");
 		return(-1);
 	}
 
 	if (1 != write(fd, &s_values_str[LOW == value ? 0 : 1], 1)) {
-		fprintf(stderr, "Failed to write value!\n");
+		fprintf(stderr, "Failed to write gpio%d!\n", pin);
 		return(-1);
 	}