diff --git a/diskimage_builder/elements/growvols/init-scripts/systemd/growvols.service b/diskimage_builder/elements/growvols/init-scripts/systemd/growvols.service
index 1b17ecb1..d735482b 100644
--- a/diskimage_builder/elements/growvols/init-scripts/systemd/growvols.service
+++ b/diskimage_builder/elements/growvols/init-scripts/systemd/growvols.service
@@ -5,7 +5,7 @@ After=systemd-udev-settle.service
 
 [Service]
 Type=oneshot
-EnvironmentFile=-/etc/sysconfig/growvols
+EnvironmentFile=-/etc/default/growvols
 User=root
 ExecStart=/usr/local/sbin/growvols --verbose --yes
 RemainAfterExit=true
diff --git a/diskimage_builder/elements/growvols/post-install.d/80-growvols b/diskimage_builder/elements/growvols/post-install.d/80-growvols
index 8a29c0c6..1aa646b0 100755
--- a/diskimage_builder/elements/growvols/post-install.d/80-growvols
+++ b/diskimage_builder/elements/growvols/post-install.d/80-growvols
@@ -12,7 +12,7 @@ case ${DIB_GROWVOLS_TRIGGER} in
     *) echo "Unsupported DIB_GROWVOLS_TRIGGER: ${DIB_GROWVOLS_TRIGGER}"; exit 1 ;;
 esac
 
-cat << EOF | sudo tee /etc/sysconfig/growvols > /dev/null
+cat << EOF | sudo tee /etc/default/growvols > /dev/null
 GROWVOLS_ARGS="${DIB_GROWVOLS_ARGS}"
 GROWVOLS_GROUP="${DIB_GROWVOLS_GROUP}"
 GROWVOLS_DEVICE="${DIB_GROWVOLS_DEVICE}"