diff --git a/python/obitools3/dms/capi/obialign.pxd b/python/obitools3/dms/capi/obilcsalign.pxd
similarity index 100%
rename from python/obitools3/dms/capi/obialign.pxd
rename to python/obitools3/dms/capi/obilcsalign.pxd