Index: uspace/app/top/top.c
===================================================================
--- uspace/app/top/top.c	(revision 7d42cc98a6c2040a964dff9d22829f2f1f5a859a)
+++ uspace/app/top/top.c	(revision 9e050558f6fae9d4875108d79011987377ff23fe)
@@ -255,5 +255,5 @@
 	operation_type = OP_TASKS;
 	while (true) {
-		char c = tgetchar(UPDATE_INTERVAL);
+		int c = tgetchar(UPDATE_INTERVAL);
 		if (c < 0) {
 			if ((ret = read_data(&data)) != NULL) {