diff --git a/openexr.spec b/openexr.spec
index 40f2e53..75fcc23 100644
--- a/openexr.spec
+++ b/openexr.spec
@@ -140,9 +140,11 @@ make %{?_smp_mflags}
 %cmake_install
 
 %check
+%ifarch x86_64
 # tests takes LOONG, e. g. 20 min
 export LD_LIBRARY_PATH="$PWD/build/IlmImf:$PWD/build/IlmImfUtil:$LD_LIBRARY_PATH"
 %ctest
+%endif
 
 %post -n libIlmImf%{so_suffix}-%{sonum} -p /sbin/ldconfig
 %postun -n libIlmImf%{so_suffix}-%{sonum} -p /sbin/ldconfig