diff --git a/tools/bump-changelog.sh b/tools/bump-changelog.sh
index a101e4b..61a8b26 100755
--- a/tools/bump-changelog.sh
+++ b/tools/bump-changelog.sh
@@ -13,19 +13,20 @@ if [ "${VERSION}" = "${CURRENT}" ]; then
     echo "Changelog already at ${VERSION}."
 else
     # dch identity: prefer the package maintainer (single source of truth in
-    # debian/control). Setting DEBNAME/DEBEMAIL keeps dch non-interactive --
-    # without them dch prints warnings and waits for a keypress, which would
-    # hang unattended builds.
+    # debian/control). Setting DEBFULLNAME/DEBEMAIL keeps dch non-interactive
+    # (it takes the name from DEBFULLNAME, not DEBNAME) -- without them dch
+    # prints warnings and waits for a keypress, which would hang unattended
+    # builds.
     MAINTAINER="$(sed -nE 's/^Maintainer:[[:space:]]*(.*)$/\1/p' "${ROOT}/debian/control" | head -n1)"
     EMAIL_RE='<([^>]+)>'
     if [[ "${MAINTAINER}" =~ ${EMAIL_RE} ]]; then
-        NAME="${MAINTAINER%% <}*"
+        NAME="${MAINTAINER%%" <"*}"
         EMAIL="${BASH_REMATCH[1]}"
     else
         NAME="$(git -C "${ROOT}" config user.name || echo maintainer)"
         EMAIL="$(git -C "${ROOT}" config user.email || echo maintainer@example.com)"
     fi
-    DEBNAME="${NAME}" DEBEMAIL="${EMAIL}" \
+    DEBFULLNAME="${NAME}" DEBEMAIL="${EMAIL}" \
         dch --distribution noble -v "${VERSION}" \
         "Bumped to rolling version ${VERSION}."
 fi