diff --git a/src/Forms/VobSubOcr.Designer.cs b/src/Forms/VobSubOcr.Designer.cs
index 757f1414b..20ed4be9f 100644
--- a/src/Forms/VobSubOcr.Designer.cs
+++ b/src/Forms/VobSubOcr.Designer.cs
@@ -255,6 +255,8 @@ namespace Nikse.SubtitleEdit.Forms
             // checkBoxUseModiInTesseractForUnknownWords
             // 
             this.checkBoxUseModiInTesseractForUnknownWords.AutoSize = true;
+            this.checkBoxUseModiInTesseractForUnknownWords.Checked = true;
+            this.checkBoxUseModiInTesseractForUnknownWords.CheckState = System.Windows.Forms.CheckState.Checked;
             this.checkBoxUseModiInTesseractForUnknownWords.Enabled = false;
             this.checkBoxUseModiInTesseractForUnknownWords.Location = new System.Drawing.Point(22, 74);
             this.checkBoxUseModiInTesseractForUnknownWords.Name = "checkBoxUseModiInTesseractForUnknownWords";
diff --git a/src/Forms/VobSubOcr.cs b/src/Forms/VobSubOcr.cs
index b8f3b6fdd..9d9302947 100644
--- a/src/Forms/VobSubOcr.cs
+++ b/src/Forms/VobSubOcr.cs
@@ -999,43 +999,38 @@ namespace Nikse.SubtitleEdit.Forms
                 comboBoxModiLanguage.SelectedIndex = -1;
             }
 
-            var sb = new StringBuilder();
             int badWords = 0;
-            var textWithOutFixes = new StringBuilder();
-            textWithOutFixes.Append(Tesseract3DoOcrViaExe(bitmap, _languageId));
+            string textWithOutFixes = Tesseract3DoOcrViaExe(bitmap, _languageId);
 
             if (textWithOutFixes.ToString().Trim().Length == 0)
             {
-                textWithOutFixes = new StringBuilder();
-                textWithOutFixes.Append(TesseractResizeAndRetry(bitmap));     
+                textWithOutFixes = TesseractResizeAndRetry(bitmap);     
             }
 
-            sb.Append(textWithOutFixes.ToString());
-            int numberOfWords = sb.ToString().Split((" " + Environment.NewLine).ToCharArray(), StringSplitOptions.RemoveEmptyEntries).Length;
+            int numberOfWords = textWithOutFixes.ToString().Split((" " + Environment.NewLine).ToCharArray(), StringSplitOptions.RemoveEmptyEntries).Length;
 
-            string line = sb.ToString().Trim();
+            string line = textWithOutFixes.ToString().Trim();
             if (_ocrFixEngine.IsDictionaryLoaded)
             {
                 if (checkBoxAutoFixCommonErrors.Checked)
                     line = _ocrFixEngine.FixOcrErrors(line, index, _lastLine, true, checkBoxGuessUnknownWords.Checked);
-                int wordsNotFound = _ocrFixEngine.CountUnknownWordsViaDictionary(line);
+                int correctWords;
+                int wordsNotFound = _ocrFixEngine.CountUnknownWordsViaDictionary(line, out correctWords);
 
-                if (wordsNotFound > 0)
+                if (wordsNotFound > 0 || correctWords == 0)
                 { 
-                    string newText = TesseractResizeAndRetry(bitmap);
-                    newText = _ocrFixEngine.FixOcrErrors(newText, index, _lastLine, true, checkBoxGuessUnknownWords.Checked);
-                    int newWordsNotFound = _ocrFixEngine.CountUnknownWordsViaDictionary(newText);
+                    string newUnfixedText = TesseractResizeAndRetry(bitmap);
+                    string newText = _ocrFixEngine.FixOcrErrors(newUnfixedText, index, _lastLine, true, checkBoxGuessUnknownWords.Checked);
+                    int newWordsNotFound = _ocrFixEngine.CountUnknownWordsViaDictionary(newText, out correctWords);
                     if (newWordsNotFound < wordsNotFound)
                     {
                         wordsNotFound = newWordsNotFound;
-                        textWithOutFixes = new StringBuilder();
-                        textWithOutFixes.Append(newText);
-                        sb = new StringBuilder();
-                        sb.Append(newText);
+                        textWithOutFixes = newUnfixedText;
+                        line = newText;
                     }
                 }
 
-                if (wordsNotFound > 0 || sb.ToString().Replace("~", string.Empty).Trim().Length == 0)
+                if (wordsNotFound > 0 || correctWords == 0 || textWithOutFixes.ToString().Replace("~", string.Empty).Trim().Length == 0)
                 {                   
                     _ocrFixEngine.AutoGuessesUsed.Clear();
                     _ocrFixEngine.UnknownWordsFound.Clear();
@@ -1051,13 +1046,13 @@ namespace Nikse.SubtitleEdit.Forms
 
                         if (modiText.Length > 1)
                         {
-                            int modiWordsNotFound = _ocrFixEngine.CountUnknownWordsViaDictionary(modiText);
+                            int modiWordsNotFound = _ocrFixEngine.CountUnknownWordsViaDictionary(modiText, out correctWords);
                             if (modiWordsNotFound > 0)
                             {
                                 string modiTextOcrFixed = modiText;
                                 if (checkBoxAutoFixCommonErrors.Checked)
                                     modiTextOcrFixed = _ocrFixEngine.FixOcrErrors(modiText, index, _lastLine, false, checkBoxGuessUnknownWords.Checked);
-                                int modiOcrCorrectedWordsNotFound = _ocrFixEngine.CountUnknownWordsViaDictionary(modiTextOcrFixed);
+                                int modiOcrCorrectedWordsNotFound = _ocrFixEngine.CountUnknownWordsViaDictionary(modiTextOcrFixed, out correctWords);
                                 if (modiOcrCorrectedWordsNotFound < modiWordsNotFound)
                                     modiText = modiTextOcrFixed;
                             }
diff --git a/src/Logic/OCR/OcrFixEngine.cs b/src/Logic/OCR/OcrFixEngine.cs
index e98b00499..4029fcb5d 100644
--- a/src/Logic/OCR/OcrFixEngine.cs
+++ b/src/Logic/OCR/OcrFixEngine.cs
@@ -583,12 +583,15 @@ namespace Nikse.SubtitleEdit.Logic.OCR
                             }
                             else
                             {
+                                if (i==0)
+                                    guesses.Add(word.Replace(@"\/", "V"));
+                                else
+                                    guesses.Add(word.Replace(@"\/", "v"));
                                 guesses.Add(word.Replace("fi", "fi"));
                                 guesses.Add(word.Replace("fi", "fj"));
                                 guesses.Add(word.Replace("fl", "fl"));
                                 if (!word.EndsWith("€") && !word.StartsWith("€"))
                                     guesses.Add(word.Replace("€", "e"));
-                                guesses.Add(word.Replace("fi", "fj"));
                             }
                             foreach (string guess in guesses)
                             {
@@ -884,8 +887,9 @@ namespace Nikse.SubtitleEdit.Logic.OCR
             return false;
         }
 
-        public int CountUnknownWordsViaDictionary(string line)
+        public int CountUnknownWordsViaDictionary(string line, out int numberOfCorrectWords)
         {
+            numberOfCorrectWords = 0;
             if (_hunspell == null)
                 return 0;
 
@@ -900,8 +904,11 @@ namespace Nikse.SubtitleEdit.Logic.OCR
                     if (!correct)
                         correct = _hunspell.Spell(word.Trim('\''));
 
-                    if (!correct)
+                    if (correct)
+                        numberOfCorrectWords++;
+                    else
                         wordsNotFound++;
+
                 }
             }
             return wordsNotFound;