diff --git a/srcpkgs/libvirt/template b/srcpkgs/libvirt/template
index 60d9f26804e..52c0ee25284 100644
--- a/srcpkgs/libvirt/template
+++ b/srcpkgs/libvirt/template
@@ -69,9 +69,16 @@ post_patch() {
 }
 
 pre_build() {
+	# racey custom targets; prevent parallelism issues
 	ninja -C build \
 		src/remote/qemu_protocol.h \
-		src/remote/remote_protocol.h
+		src/remote/remote_protocol.h \
+		src/util/virkeycodetable_linux.h \
+		src/util/virkeycodetable_osx.h \
+		src/util/virkeycodetable_win32.h \
+		src/util/virkeynametable_linux.h \
+		src/util/virkeynametable_osx.h \
+		src/util/virkeynametable_win32.h
 }
 
 post_install() {