diff --git a/core/textpage.cpp b/core/textpage.cpp
index b7e9be761..86aef8f20 100644
--- a/core/textpage.cpp
+++ b/core/textpage.cpp
@@ -1343,7 +1343,7 @@ void TextPagePrivate::makeAndSortLines(const TextList &wordsTmp, SortedTextList
 /**
  * Calculate Statistical information from the lines we made previously
  */
-void TextPagePrivate::calculateStatisticalInformation(const SortedTextList &lines, const LineRect &line_rects, int *word_spacing, int *line_spacing, int *col_spacing)
+void TextPagePrivate::calculateStatisticalInformation(const SortedTextList &lines, const LineRect &line_rects, int *word_spacing, int *line_spacing, int *col_spacing) const
 {
     /**
      * For the region, defined by line_rects and lines
@@ -1537,8 +1537,8 @@ RegionTextList TextPagePrivate::XYCutForBoundingBoxes(int tcx, int tcy)
          * 1. calculation of projection profiles
          */
         // allocate the size of proj profiles and initialize with 0
-        int size_proj_y = node.area().height() ;
-        int size_proj_x = node.area().width() ;
+        int size_proj_y = node.area().height();
+        int size_proj_x = node.area().width();
         //dynamic memory allocation
         QVarLengthArray<int> proj_on_xaxis(size_proj_x);
         QVarLengthArray<int> proj_on_yaxis(size_proj_y);
diff --git a/core/textpage_p.h b/core/textpage_p.h
index 97eeea730..953e9d1f0 100644
--- a/core/textpage_p.h
+++ b/core/textpage_p.h
@@ -92,7 +92,7 @@ class TextPagePrivate
          * we made
          */
         void calculateStatisticalInformation(const SortedTextList &lines, const LineRect &line_rects, int *word_spacing,
-                                             int *line_spacing, int *column_spacing);
+                                             int *line_spacing, int *column_spacing) const;
 
         /**
          * Functions necessary for document file segmentation into text regions for document layout