diff --git a/Botan.spec b/Botan.spec
index 191988b..7b095de 100644
--- a/Botan.spec
+++ b/Botan.spec
@@ -99,7 +99,12 @@ python3 ./configure.py \
   --with-bzip2 \
   --with-zlib \
   --with-openssl \
+%ifarch %ix86
+  --cpu=x86_32
+%else
   --cpu=%{_target_cpu}
+%endif
+
 make %{?_smp_mflags} WARN_FLAGS="%{optflags}"
 
 %install