Index: uspace/app/tester/mm/common.c
===================================================================
--- uspace/app/tester/mm/common.c	(revision feeac0d8cd6e0ce736779bc5f1dc701c5cf42ba6)
+++ uspace/app/tester/mm/common.c	(revision cb0ca35e2ad68472d87676ca4a287c1ff54daa41)
@@ -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);