Index: libcfa/src/concurrency/io/call.cfa.in
===================================================================
--- libcfa/src/concurrency/io/call.cfa.in	(revision 4ab3cf9baf3e233dbc2cc634d736e22c234f3cfc)
+++ libcfa/src/concurrency/io/call.cfa.in	(revision eccb14d7241424d1aae22fb905858900c58eaa4e)
@@ -347,5 +347,5 @@
 	# CFA_HAVE_IORING_OP_MADVISE
 	Call('MADVISE', 'int madvise(void *addr, size_t length, int advice)', {
-		'addr': 'addr',
+		'addr': '(__u64)addr',
 		'len': 'length',
 		'fadvise_advice': 'advice'