diff --git a/srcpkgs/alembic/template b/srcpkgs/alembic/template
index 50fe33c3024..89c51cb461f 100644
--- a/srcpkgs/alembic/template
+++ b/srcpkgs/alembic/template
@@ -13,6 +13,11 @@ homepage="https://alembic.io"
 distfiles="https://github.com/alembic/alembic/archive/${version}.tar.gz"
 checksum=6c603b87c9a3eaa13618e577dd9ef5277018cdcd09ac82d3c196ad8bed6a1b48
 
+case "$XBPS_TARGET_MACHINE" in
+	ppc64*) ;;
+	ppc*) broken="undefined reference to '__sync_bool_compare_and_swap_8'";;
+esac
+
 if [ -z "$CROSS_BUILD" ]; then
 	makedepends+=" hdf5-devel"
 fi