diff --git a/rust-xml-rs.spec b/rust-xml-rs.spec
index ec84548..48b502c 100644
--- a/rust-xml-rs.spec
+++ b/rust-xml-rs.spec
@@ -64,7 +64,8 @@ use the "default" feature of the "%{crate}" crate.
 
 %if %{with check}
 %check
-%cargo_test
+# * skip test for the exact size of an enum that fails on various architectures
+%cargo_test -- -- --skip reader::error::err_size
 %endif
 
 %changelog