diff --git a/plugins/filters/colorsfilters/kis_perchannel_filter.h b/plugins/filters/colorsfilters/kis_perchannel_filter.h
--- a/plugins/filters/colorsfilters/kis_perchannel_filter.h
+++ b/plugins/filters/colorsfilters/kis_perchannel_filter.h
@@ -110,6 +110,7 @@
 
 private Q_SLOTS:
     virtual void setActiveChannel(int ch);
+    void logHistView(bool l);
 
 private:
 
@@ -118,7 +119,7 @@
 
 
     // private routines
-    inline QPixmap getHistogram();
+    inline QPixmap getHistogram(bool logarithmic = false);
     inline QPixmap createGradient(Qt::Orientation orient /*, int invert (not used now) */);
 
     // members
diff --git a/plugins/filters/colorsfilters/kis_perchannel_filter.cpp b/plugins/filters/colorsfilters/kis_perchannel_filter.cpp
--- a/plugins/filters/colorsfilters/kis_perchannel_filter.cpp
+++ b/plugins/filters/colorsfilters/kis_perchannel_filter.cpp
@@ -110,6 +110,8 @@
     }
 
     connect(m_page->cmbChannel, SIGNAL(activated(int)), this, SLOT(setActiveChannel(int)));
+    connect((QObject*)(m_page->chkLogarithmic), SIGNAL(toggled(bool)), this, SLOT(logHistView(bool)));
+
 
     // create the horizontal and vertical gradient labels
     m_page->hgradient->setPixmap(createGradient(Qt::Horizontal));
@@ -166,12 +168,18 @@
     return gradientpix;
 }
 
-inline QPixmap KisPerChannelConfigWidget::getHistogram()
+inline QPixmap KisPerChannelConfigWidget::getHistogram(bool logarithmic)
 {
     int i;
     int height = 256;
     QPixmap pix(256, height);
 
+    if (logarithmic)
+        m_histogram->setHistogramType(LOGARITHMIC);
+    else
+        m_histogram->setHistogramType(LINEAR);
+
+
     QPalette appPalette = QApplication::palette();
 
     pix.fill(QColor(appPalette.color(QPalette::Base)));
@@ -596,3 +604,8 @@
     Q_UNUSED(config);
     return cs->colorModelId() == AlphaColorModelID;
 }
+
+void KisPerChannelConfigWidget::logHistView(bool l)
+{
+    m_page->curveWidget->setPixmap(getHistogram(l));
+}
diff --git a/plugins/filters/colorsfilters/wdg_perchannel.ui b/plugins/filters/colorsfilters/wdg_perchannel.ui
--- a/plugins/filters/colorsfilters/wdg_perchannel.ui
+++ b/plugins/filters/colorsfilters/wdg_perchannel.ui
@@ -208,6 +208,26 @@
      <item>
       <widget class="QComboBox" name="cmbChannel"/>
      </item>
+     <item>
+      <spacer name="horizontalSpacer_4">
+       <property name="orientation">
+        <enum>Qt::Horizontal</enum>
+       </property>
+       <property name="sizeHint" stdset="0">
+        <size>
+         <width>10</width>
+         <height>10</height>
+        </size>
+       </property>
+      </spacer>
+     </item>
+     <item>
+      <widget class="QCheckBox" name="chkLogarithmic">
+       <property name="text">
+        <string>Logarithmic</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item row="1" column="0">