diff --git a/zimg.spec b/zimg.spec
index 2298b0a..7100633 100644
--- a/zimg.spec
+++ b/zimg.spec
@@ -62,6 +62,9 @@ autoreconf -fiv
 # do not enable tests here — they make zimg slower and the install
 # rule is broken
 %configure \
+%ifarch armv7l
+  --disable-simd \
+%endif
   --disable-static
 %make_build
 
@@ -70,14 +73,19 @@ autoreconf -fiv
 rm -rf %{buildroot}%{_datadir}/doc/zimg
 find %{buildroot} -type f -name "*.la" -delete -print
 
+%ifnarch ppc64 ppc64le
 %check
 %make_build clean
 %configure \
+%ifarch armv7l
+  --disable-simd \
+%endif
   --disable-static \
   --enable-unit-test
 %make_build
 %make_build test/unit_test
 test/unit_test
+%endif
 
 %post -n libzimg%{sover} -p /sbin/ldconfig
 %postun -n libzimg%{sover} -p /sbin/ldconfig