diff --git a/tests/guix-build-branch.sh b/tests/guix-build-branch.sh
index 3d2a7dddf5..2556a0cdb9 100644
--- a/tests/guix-build-branch.sh
+++ b/tests/guix-build-branch.sh
@@ -53,7 +53,7 @@ test "$v0_1_0_drv" != "$latest_drv"
 test "$v0_1_0_drv" != "$orig_drv"
 
 v0_1_0_drv="`guix build guix --with-commit=guile-gcrypt=v0.1.0 -d`"
-guix gc -R "$v0_1_0_drv" | grep guile-gcrypt-git.v0.1.0
+guix gc -R "$v0_1_0_drv" | grep guile-gcrypt-0.1.0
 guix gc -R "$v0_1_0_drv" | grep guile-gcrypt-9e3eacd
 test "$v0_1_0_drv" != "$latest_drv"
 test "$v0_1_0_drv" != "$orig_drv"