diff --git a/admin/coverage b/admin/coverage
index fba613b0..42e7bad8 100755
--- a/admin/coverage
+++ b/admin/coverage
@@ -2,7 +2,7 @@
 
 set -e
 
-source <(cargo llvm-cov show-env --export-prefix)
+source <(cargo llvm-cov show-env --export-prefix "$@")
 cargo llvm-cov clean --workspace
 
 cargo build --locked --all-targets --all-features