diff --git a/scribus.spec b/scribus.spec
index a503eb9..aa379bd 100644
--- a/scribus.spec
+++ b/scribus.spec
@@ -107,7 +107,7 @@ pushd build
 	-DWANT_DISTROBUILD=YES \
 	-DWANT_GRAPHICSMAGICK=1 \
 	-DWANT_HUNSPELL=1 \
-%ifarch x86_64 || aarch64 || ppc64 || ppc64le
+%if %{_lib} == lib64
 	-DWANT_LIB64=YES \
 %endif
 	-DWANT_NORPATH=1 \