diff --git a/sagemath.spec b/sagemath.spec
index 90704e3..9fd7c5d 100644
--- a/sagemath.spec
+++ b/sagemath.spec
@@ -291,6 +291,10 @@ Requires:	tachyon
 Requires:	texlive
 Requires:	vecmath
 
+%if 0%{?fedora} < 24
+ExclusiveArch:	%{ix86} x86_64
+%endif
+
 %description
 Sage is a free open-source mathematics software system licensed
 under the GPL. It combines the power of many existing open-source