diff --git a/snphost.spec b/snphost.spec
index bae0044..98b8470 100644
--- a/snphost.spec
+++ b/snphost.spec
@@ -33,6 +33,7 @@ BuildRequires: 	ruby3.2-rubygem-asciidoctor
 %else
 BuildRequires: 	ruby2.5-rubygem-asciidoctor
 %endif
+ExclusiveArch:  x86_64
 
 %description
 snphost is a command line utility for interacting with the AMD Secure Encrypted Virtualization - Secure Nested Paging (SEV-SNP) host environment (via the /dev/sev device).