diff --git a/C/ssd1306_i2c.c b/C/ssd1306_i2c.c
index 8464f2f..82d5424 100644
--- a/C/ssd1306_i2c.c
+++ b/C/ssd1306_i2c.c
@@ -394,11 +394,11 @@ char* GetIpAddress(void)
     ifr.ifr_addr.sa_family = AF_INET;
     
     /* I want IP address attached to "eth0" */
-    strncpy(ifr.ifr_name, "wlan0", IFNAMSIZ-1);
+    strncpy(ifr.ifr_name, "eth0", IFNAMSIZ-1);
     
     ioctl(fd, SIOCGIFADDR, &ifr);
     
     close(fd);
     return inet_ntoa(((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr);
     /* display result */
-}
\ No newline at end of file
+}