diff --git a/rust-regex.spec b/rust-regex.spec
index 17dc2be..0c8df51 100644
--- a/rust-regex.spec
+++ b/rust-regex.spec
@@ -318,8 +318,14 @@ use the "use_std" feature of the "%{crate}" crate.
 
 %if %{with check}
 %check
+%ifarch %{ix86}
+# * ignore harmless test failures on 32-bit architectures:
+#   https://github.com/rust-lang/regex/issues/1039
+%cargo_test -- -- --skip builders::bytes::RegexBuilder::size_limit --skip builders::bytes::RegexSetBuilder::size_limit --skip builders::string::RegexBuilder::size_limit --skip builders::string::RegexSetBuilder::size_limit --skip regex::bytes::CaptureLocations --skip regex::string::CaptureLocations
+%else
 %cargo_test
 %endif
+%endif
 
 %changelog
 %autochangelog