diff --git a/scipy.spec b/scipy.spec
index 90361ef..da10761 100644
--- a/scipy.spec
+++ b/scipy.spec
@@ -4,7 +4,11 @@
 # Pythran is an optional build dependency.
 # When used, it makes some modules faster,
 # but it is usually not available soon enough for new major Python versions.
+%ifnarch riscv64
 %bcond_without pythran
+%else
+%bcond_with pythran
+%endif
 
 # The code is not safe to build with LTO
 %global _lto_cflags %{nil}