diff --git a/.github/workflows/update-deps.py b/.github/workflows/update-deps.py
index e2725fd5d..eb027f763 100644
--- a/.github/workflows/update-deps.py
+++ b/.github/workflows/update-deps.py
@@ -207,7 +207,8 @@ def update_version_numbers(root, pkg_name, old_version, new_version):
 
 def update_distfiles_digest(root, pkg_name):
     with open(os.path.join(root, DEPS_PACKAGING, pkg_name, "source"), "r") as f:
-        source = f.read().strip()
+        # The first URL; any others are mirrors pkg-get-src falls back to
+        source = f.read().split()[0]
 
     filename = os.path.join(root, DEPS_PACKAGING, pkg_name, "distfiles")
     with open(filename, "r") as f:
diff --git a/deps-packaging/lmdb/source b/deps-packaging/lmdb/source
index d5e779c76..f97e3e7b6 100644
--- a/deps-packaging/lmdb/source
+++ b/deps-packaging/lmdb/source
@@ -1 +1,2 @@
 https://git.openldap.org/openldap/openldap/-/archive/LMDB_1.0.3/
+https://github.com/openldap/openldap/archive/LMDB_1.0.3/
diff --git a/deps-packaging/pkg-get-src b/deps-packaging/pkg-get-src
index 3b73e5b81..ef6486fa4 100755
--- a/deps-packaging/pkg-get-src
+++ b/deps-packaging/pkg-get-src
@@ -45,7 +45,7 @@ checksum()
     test "$CHECKSUM" = "$ACTUAL_CHECKSUM"
     result=$?
     if test "$result" != "0"; then
-      echo "expected checksum $CHECKSUM but got $ACTUAL_CHECKSUM"
+      echo "expected checksum $CHECKSUM but got $ACTUAL_CHECKSUM" >&2
     fi
     return "$result"
 }