Index: uspace/app/tester/mm/common.c
===================================================================
--- uspace/app/tester/mm/common.c	(revision feeac0d8cd6e0ce736779bc5f1dc701c5cf42ba6)
+++ uspace/app/tester/mm/common.c	(revision be12474ead2cb098f28d8b1a42e46e304254fcde)
@@ -309,5 +309,5 @@
 		return NULL;
 	
-	unsigned int idx = rand() % mem_blocks_count;
+	unsigned long idx = rand() % mem_blocks_count;
 	link_t *entry = list_nth(&mem_blocks, idx);