diff --git a/root/etc/s6-overlay/s6-rc.d/init-mod-code-server-prolog-add-package/run b/root/etc/s6-overlay/s6-rc.d/init-mod-code-server-prolog-add-package/run
index 752bb8f..78521ef 100755
--- a/root/etc/s6-overlay/s6-rc.d/init-mod-code-server-prolog-add-package/run
+++ b/root/etc/s6-overlay/s6-rc.d/init-mod-code-server-prolog-add-package/run
@@ -1,8 +1,8 @@
 #!/usr/bin/with-contenv bash
 
-if ! dpkg -l | grep prolog > /dev/null; then
-    echo "**** Adding prolog to package install list ****"
-    echo "prolog" >> /mod-repo-packages-to-install.list
+if ! dpkg -l | grep gprolog > /dev/null; then
+    echo "**** Adding gprolog to package install list ****"
+    echo "gprolog" >> /mod-repo-packages-to-install.list
 else
-    echo "**** prolog already installed ****"
+    echo "**** gprolog already installed ****"
 fi