diff --git a/src/main/resources/static/js/charts.js b/src/main/resources/static/js/charts.js
index 50c5638594055a79bda56288d6cb726526300e25..6b243fb2c9b183875b43e453f7a76eee2aec245c 100644
--- a/src/main/resources/static/js/charts.js
+++ b/src/main/resources/static/js/charts.js
@@ -108,6 +108,7 @@ $(document).ready(function()
 
         this.querySelector('.chart-preview').classList.toggle('active', true);
         document.getElementsByName('chartID')[0].value = this.dataset.id;
+        checkShowChartButton();
     });
 
     filterChartPreviews();
@@ -290,4 +291,15 @@ function unsetActiveChartPreview()
     {
         allChartPreviews[i].classList.toggle('active', false);
     }
+
+    document.getElementsByName('chartID')[0].value = '';
+    checkShowChartButton();
+}
+
+function checkShowChartButton()
+{
+    let buttonShowChart = document.getElementsByName('buttonSave')[0];
+
+    let selectedChartID = document.getElementsByName('chartID')[0].value;
+    buttonShowChart.disabled = selectedChartID === '';
 }