diff --git a/src/widgets/krichtextedit.cpp b/src/widgets/krichtextedit.cpp
--- a/src/widgets/krichtextedit.cpp
+++ b/src/widgets/krichtextedit.cpp
@@ -490,6 +490,7 @@
 void KRichTextEdit::keyPressEvent(QKeyEvent *event)
 {
     bool handled = false;
+    textCursor().beginEditBlock();
     if (textCursor().currentList()) {
         // handled is False if the key press event was not handled or not completely
         // handled by the Helper class.
@@ -503,6 +504,7 @@
     if (textCursor().currentList()) {
         d->nestedListHelper->handleAfterKeyPressEvent(event);
     }
+    textCursor().endEditBlock();
     emit cursorPositionChanged();
 }