diff -r b0e36664f1f2 -r dc906a578616 client/src/components/SlateEditor.js
--- a/client/src/components/SlateEditor.js	Wed Jun 28 13:29:07 2017 +0200
+++ b/client/src/components/SlateEditor.js	Wed Jun 28 14:43:35 2017 +0200
@@ -376,7 +376,11 @@
     })
 
     Object.assign(category, {
-      text: currentSelectionText
+      text: currentSelectionText,
+      selection: {
+        start: currentSelectionStart,
+        end: currentSelectionEnd,
+      },
     });
     categories = categories.push(category);