Index: src/OFSystemInfo.m
==================================================================
--- src/OFSystemInfo.m
+++ src/OFSystemInfo.m
@@ -938,11 +938,11 @@
 		ifc.ifc_len = 128 * sizeof(struct ifreq);
 		if (ioctl(sock, SIOCGIFCONF, &ifc) < 0)
 			return false;
 
 		buffer = ifc.ifc_buf;
-		while (buffer < ifc.ifc_buf + ifc.ifc_len) {
+		while (buffer < (char *)ifc.ifc_buf + ifc.ifc_len) {
 			struct ifreq *current = (struct ifreq *)(void *)buffer;
 			OFString *name;
 			OFMutableData *addresses;
 			OFSocketAddress address;