diff --git a/camelot/imgproc.py b/camelot/imgproc.py
index 24abac3..b0a00ba 100644
--- a/camelot/imgproc.py
+++ b/camelot/imgproc.py
@@ -47,7 +47,7 @@ def adaptive_threshold(imagename, invert=False, blocksize=15, c=-2):
     return img, threshold
 
 
-def find_lines(threshold, direction='horizontal', scale=15, iterations=2):
+def find_lines(threshold, direction='horizontal', scale=15, iterations=0):
     """Finds horizontal and vertical lines by applying morphological
     transformations on an image.
 
diff --git a/camelot/lattice.py b/camelot/lattice.py
index 3a60a73..7ccd49a 100644
--- a/camelot/lattice.py
+++ b/camelot/lattice.py
@@ -157,7 +157,7 @@ class Lattice:
 
     iterations : int
         Number of iterations for dilation.
-        (optional, default: 2)
+        (optional, default: 0)
 
     invert : bool
         Whether or not to invert the image. Useful when pdfs have
@@ -192,7 +192,7 @@ class Lattice:
         (optional, default: None)
     """
     def __init__(self, table_area=None, fill=None, mtol=[2], jtol=[2],
-                 blocksize=15, threshold_constant=-2, scale=15, iterations=2,
+                 blocksize=15, threshold_constant=-2, scale=15, iterations=0,
                  invert=False, margins=(1.0, 0.5, 0.1), split_text=False,
                  flag_size=True, shift_text=['l', 't'], debug=None):
 
diff --git a/camelot/ocr.py b/camelot/ocr.py
index 4ce2791..dd862fe 100644
--- a/camelot/ocr.py
+++ b/camelot/ocr.py
@@ -52,7 +52,7 @@ class OCRLattice:
 
     iterations : int
         Number of iterations for dilation.
-        (optional, default: 2)
+        (optional, default: 0)
 
     debug : string
         {'contour', 'line', 'joint', 'table'}
@@ -61,7 +61,7 @@ class OCRLattice:
         (optional, default: None)
     """
     def __init__(self, table_area=None, mtol=[2], blocksize=15, threshold_constant=-2,
-                 dpi=300, lang="eng", scale=15, iterations=2, debug=None):
+                 dpi=300, lang="eng", scale=15, iterations=0, debug=None):
 
         self.method = 'ocrl'
         self.table_area = table_area
diff --git a/tools/camelot b/tools/camelot
index 54a6de1..8e5b236 100755
--- a/tools/camelot
+++ b/tools/camelot
@@ -79,7 +79,7 @@ options:
  -C, --constant <constant>      See adaptive threshold doc. [default: -2]
  -s, --scale <scale>            Scaling factor. Large scaling factor leads to
                                 smaller lines being detected. [default: 15]
- -I, --iterations <iterations>  Number of iterations for dilation. [default: 2]
+ -I, --iterations <iterations>  Number of iterations for dilation. [default: 0]
  -i, --invert                   Invert pdf image to make sure that lines are
                                 in foreground.
  -T, --shift_text <shift_text>  Specify where the text in a spanning cell
@@ -124,7 +124,7 @@ options:
  -l, --lang <lang>              Specify language to be used for OCR. [default: eng]
  -s, --scale <scale>            Scaling factor. Large scaling factor leads to
                                 smaller lines being detected. [default: 15]
- -I, --iterations <iterations>  Number of iterations for dilation. [default: 2]
+ -I, --iterations <iterations>  Number of iterations for dilation. [default: 0]
  -d, --debug <debug>            Debug by visualizing pdf geometry.
                                 (contour,line,joint,table) Example: -d table
 """