diff --git a/Mk/Uses/cargo.mk b/Mk/Uses/cargo.mk
index ab3951b25b710..3969dd7cb0e53 100644
--- a/Mk/Uses/cargo.mk
+++ b/Mk/Uses/cargo.mk
@@ -38,7 +38,7 @@ CARGO_DIST_SUBDIR?=	rust/crates
 
 # Generate list of DISTFILES.
 .for _crate in ${CARGO_CRATES}
-MASTER_SITES+=	${MASTER_SITES_CRATESIO}/${_crate:C/-[0-9].*$//}/${_crate:C/^.*-([0-9].*)/\1/}/download?dummy=/:cargo_${_crate:S/-//g:S/.//g}
+MASTER_SITES+=	${MASTER_SITES_CRATESIO}/${_crate:C/^(.*)-[0-9].*/\1/}/${_crate:C/^.*-([0-9].*)/\1/}/download?dummy=/:cargo_${_crate:S/-//g:S/.//g}
 DISTFILES+=	${CARGO_DIST_SUBDIR}/${_crate}.tar.gz:cargo_${_crate:S/-//g:S/.//g}
 .endfor