Index: libcfa/src/concurrency/io/call.cfa.in
===================================================================
--- libcfa/src/concurrency/io/call.cfa.in	(revision 9d47c1ff198f0f1775b2686ac233f78d06c5aedd)
+++ libcfa/src/concurrency/io/call.cfa.in	(revision 5a894e127cdd03050d3cbfeb505e10a6e3dd544c)
@@ -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;