diff --git a/rkcommon.spec b/rkcommon.spec
index e8d856e..9c008e8 100644
--- a/rkcommon.spec
+++ b/rkcommon.spec
@@ -7,6 +7,9 @@ License:		Apache-2.0
 URL:			https://github.com/ospray/rkcommon
 Source0:		%{url}/archive/v%{version}/%{name}-%{version}.tar.gz
 
+# This package only supports x86 and ARM 64bit arches for now
+ExclusiveArch:	x86_64 aarch64
+
 BuildRequires:	cmake3
 BuildRequires:	gcc-c++
 BuildRequires:	tbb-devel