diff --git a/pixelocr/gui/ocrengine.py b/pixelocr/gui/ocrengine.py
index a2fb696..e0f0e31 100644
--- a/pixelocr/gui/ocrengine.py
+++ b/pixelocr/gui/ocrengine.py
@@ -30,6 +30,7 @@ from ..glyphdb import GlyphDB
 
 
 class OCREngine(QThread):
+    SPACE_WIDTH = 15
     unknownGlyph = signal([Glyph])
     pageChanged = signal([Page])
 
@@ -62,6 +63,7 @@ class OCREngine(QThread):
             yield ''.join(self.recognize_line(line))
 
     def recognize_line(self, line):
+        yield from ' ' * int(line.indent / self.SPACE_WIDTH)
         for glyph in line.glyphs:
             yield self.recognize_glyph(glyph)