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-rw-r--r--js/codeq/prolog.js2
1 files changed, 1 insertions, 1 deletions
diff --git a/js/codeq/prolog.js b/js/codeq/prolog.js
index bcced1c..a9ce848 100644
--- a/js/codeq/prolog.js
+++ b/js/codeq/prolog.js
@@ -274,7 +274,7 @@
if (currentSolution) editor.setValue(currentSolution);
// $('#screen_prolog .title').text(problem.slug);
// jqDescriptionContent.html(problem.description);
- jqBtnPlan.prop('disabled', ((problemDef.plan && problemDef.plan.sl) || []).length == 0);
+ jqBtnPlan.prop('disabled', !hinter.hasNextPlan());
editor.on('change', function (instance, changeObj) {
var doc = editor.getDoc(),