Index: libcfa/src/concurrency/io/call.cfa.in
===================================================================
--- libcfa/src/concurrency/io/call.cfa.in	(revision 15215f0275237e8a338c2c5698d332174619db03)
+++ libcfa/src/concurrency/io/call.cfa.in	(revision 661e7b01f8a9a2c15670b1615d96ea489f11fbe8)
@@ -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;