Index: tests/OFStreamTests.m
==================================================================
--- tests/OFStreamTests.m
+++ tests/OFStreamTests.m
@@ -37,27 +37,27 @@
 {
 	return (state > 1 ? YES : NO);
 }
 
 - (size_t)_readNBytes: (size_t)size
-	   intoBuffer: (char*)buf
+	   intoBuffer: (void*)buffer
 {
 	switch (state) {
 	case 0:
 		if (size < 1)
 			return 0;
 
-		memcpy(buf, "f", 1);
+		memcpy(buffer, "f", 1);
 
 		state++;
 		return 1;
 	case 1:
 		if (size < of_pagesize)
 			return 0;
 
-		memcpy(buf, "oo\n", 3);
-		memset(buf + 3, 'X', of_pagesize - 3);
+		memcpy(buffer, "oo\n", 3);
+		memset((char*)buffer + 3, 'X', of_pagesize - 3);
 
 		state++;
 		return of_pagesize;
 	}