diff --git a/tcl.changes b/tcl.changes
index e12541b..0ab0f8f 100644
--- a/tcl.changes
+++ b/tcl.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Tue Jul  9 06:21:27 UTC 2019 - Andreas Schwab <schwab@suse.de>
+
+- binary-40.3 is expected to fail on riscv64 which does not support NaN
+  propagation
+
 -------------------------------------------------------------------
 Thu Jun 20 09:36:20 UTC 2019 - Martin Liška <mliska@suse.cz>
 
diff --git a/tcl.spec b/tcl.spec
index 06acc84..a972f7f 100644
--- a/tcl.spec
+++ b/tcl.spec
@@ -136,6 +136,9 @@ thread-7.30
 thread-7.31
 thread-20.9
 thread-21.16
+%ifarch riscv64
+binary-40.3
+%endif
 EOF
 %ifnarch s390 s390x
 make test 2>&1 | tee testresults