diff --git a/tests/guix-build.sh b/tests/guix-build.sh
index 8707ed32c0..6d46d571a9 100644
--- a/tests/guix-build.sh
+++ b/tests/guix-build.sh
@@ -199,7 +199,7 @@ test `guix build -D hello -d \
 # Building the dependents.
 test `guix build -P1 libgit2 -P1 libssh -d \
       | grep -e 'guile-git.*\.drv$' -e 'guile-ssh.*\.drv$' \
-             -e 'libgit2.*\.drv$' -e 'libssh.*\.drv$' \
+             -e 'libgit2-[0-9].*\.drv$' -e 'libssh-[0-9].*\.drv$' \
       | wc -l` -eq 4
 
 # Unbound variable in thunked field.