diff --git a/gpio.c b/gpio.c
index 36dedd1..0894128 100644
--- a/gpio.c
+++ b/gpio.c
@@ -331,7 +331,7 @@
 	FILE *fgpio, *fgpio_export;
 	int i, gpio_max = 0;
 	char *line = NULL;
-	ssize_t read;
+	ssize_t nrread;
 	size_t len = 0;
 
 	fgpio = fopen("/sys/kernel/debug/gpio", "r");
@@ -347,7 +347,7 @@
 	}
 
 	/* export the gpios */
-	while ((read = getline(&line, &len, fgpio)) != -1) {
+	while ((nrread = getline(&line, &len, fgpio)) != -1) {
 		if (strstr(line, "GPIOs"))
 			sscanf(line, "%*[^-]-%d", &gpio_max);
 	}