diff --git a/plugins/textediting/spellcheck/SpellCheck.h b/plugins/textediting/spellcheck/SpellCheck.h
--- a/plugins/textediting/spellcheck/SpellCheck.h
+++ b/plugins/textediting/spellcheck/SpellCheck.h
@@ -86,7 +86,7 @@
     void configureSpellCheck();
     void runQueue();
     void setBackgroundSpellChecking(bool b);
-    void documentChanged(int from, int min, int plus);
+    void documentChanged(int from, int charsRemoved, int charsAdded);
 
 private:
     Sonnet::Speller m_speller;
@@ -111,7 +111,8 @@
     QTextStream stream;
     SpellCheckMenu *m_spellCheckMenu;
     SpellSections m_activeSection; // the section we are currently doing a run on;
-    bool m_simpleEdit; //set when user is doing a simple edit, meaning we should ignore documentCanged
+    bool m_simpleEdit; //set when user is doing a simple edit, meaning we should not start spellchecking
+    int m_cursorPosition; // simple edit cursor position
 };
 
 #endif
diff --git a/plugins/textediting/spellcheck/SpellCheck.cpp b/plugins/textediting/spellcheck/SpellCheck.cpp
--- a/plugins/textediting/spellcheck/SpellCheck.cpp
+++ b/plugins/textediting/spellcheck/SpellCheck.cpp
@@ -52,6 +52,7 @@
     , m_spellCheckMenu(0)
     , m_activeSection(0, 0, 0)
     , m_simpleEdit(false)
+    , m_cursorPosition(0)
 {
     /* setup actions for this plugin */
     QAction *configureAction = new QAction(i18n("Configure &Spell Checking..."), this);
@@ -102,8 +103,7 @@
 {
     m_simpleEdit = true;
     setDocument(document);
-    Q_UNUSED(document);
-    Q_UNUSED(cursorPosition);
+    m_cursorPosition = cursorPosition;
 }
 
 void SpellCheck::checkSection(QTextDocument *document, int startPosition, int endPosition)
@@ -241,8 +241,9 @@
     blockData.appendMarkup(KoTextBlockData::Misspell, startPosition - block.position(), startPosition - block.position() + word.trimmed().length());
 }
 
-void SpellCheck::documentChanged(int from, int min, int plus)
+void SpellCheck::documentChanged(int from, int charsRemoved, int charsAdded)
 {
+    Q_UNUSED(charsRemoved);
     QTextDocument *document = qobject_cast<QTextDocument*>(sender());
     if (document == 0)
         return;
@@ -255,17 +256,18 @@
         KoTextBlockData blockData(block);
         if (m_enableSpellCheck) {
             blockData.setMarkupsLayoutValidity(KoTextBlockData::Misspell, false);
-            if (m_simpleEdit) {
-                // if it's a simple edit we will wait until finishedWord
-                blockData.rebaseMarkups(KoTextBlockData::Misspell, from, plus - min);
+            if (m_simpleEdit && m_cursorPosition >= from && m_cursorPosition < from + charsAdded - 1) {
+                // if it's a simple edit (one char added) we will wait until finishedWord before spellchecking
+                // but we need to adjust all markups behind the added character
+                blockData.rebaseMarkups(KoTextBlockData::Misspell, m_cursorPosition, 1);
             } else {
                 checkSection(document, block.position(), block.position() + block.length() - 1);
             }
         } else {
             blockData.clearMarkups(KoTextBlockData::Misspell);
         }
         block = block.next();
-    } while(block.isValid() && block.position() <= from + plus);
+    } while(block.isValid() && block.position() <= from + charsAdded);
 
     m_simpleEdit = false;
 }