diff --git a/libsodium.spec b/libsodium.spec
index 9602902..97fddc9 100644
--- a/libsodium.spec
+++ b/libsodium.spec
@@ -62,7 +62,7 @@ to compile and develop applications that use libsodium.
 
 %build
 
-%ifnarch ppc64le
+%ifarch %{ix86} x86_64
 export CFLAGS="%{optflags} -flto"
 export LDFLAGS="-flto"
 %endif