Index: libcfa/src/concurrency/io/call.cfa.in
===================================================================
--- libcfa/src/concurrency/io/call.cfa.in	(revision 4e09af2fe53d4632e8667617a260ed2c5a2058d2)
+++ libcfa/src/concurrency/io/call.cfa.in	(revision 5b643eacb610dbfc2b4d7da3386b4a4b3c58cc79)
@@ -214,5 +214,7 @@
 	__attribute__((unused)) bool parked;
 	parked = wait( future );
+#if defined(CFA_HAVE_LINUX_IO_URING_H)
 	__STATS__(false, if(!parked) io.submit.nblk += 1; )
+#endif
 	if( future.result < 0 ) {{
 		errno = -future.result;