diff --git a/main.c b/main.c
index 2d5b000..42acce4 100644
--- a/main.c
+++ b/main.c
@@ -6,6 +6,12 @@ int main(int argc, char *argv[]){
 	int fd; 
 	// export
 	fd = open("/sys/class/gpio/chip0/export", O_WRONLY);
+    if(fd<0)
+	{
+		perror("Error opening the GPIO export path");
+        return -1;
+	}
+
 	write(fd,"17",2);
 	close(fd);