diff --git a/GUI/View/Plotter/ColorMap.cpp b/GUI/View/Plotter/ColorMap.cpp
index 220907e44ac10532fc12d0b2500d5d7d10cae14e..3214d7b899a40b0694f9454f534309435f1badd0 100644
--- a/GUI/View/Plotter/ColorMap.cpp
+++ b/GUI/View/Plotter/ColorMap.cpp
@@ -159,7 +159,7 @@ void ColorMap::setLogz()
         return;
     bool logz = ii->isLog();
     m_color_bar_layout->setMinimumSize(logz ? colorbar_width_logz : colorbar_width, 10);
-    GUI::QCP_Util::setLogz(m_color_scale, logz);
+    GUI::QCP_RangeUtil::setLogz(m_color_scale, logz);
     replot();
 }
 
diff --git a/GUI/View/Plotter/ProjectionsPlot.cpp b/GUI/View/Plotter/ProjectionsPlot.cpp
index 00efef0d30f435ab0facf4ce4774a82ff4e4543e..1579b67e6538edf7fe8c3d8e4eb40fe35297b062 100644
--- a/GUI/View/Plotter/ProjectionsPlot.cpp
+++ b/GUI/View/Plotter/ProjectionsPlot.cpp
@@ -270,7 +270,7 @@ void ProjectionsPlot::setInterpolate(bool isInterpolated)
 
 void ProjectionsPlot::setLogz(bool isLogz)
 {
-    GUI::QCP_Util::setLogz(m_qcp->yAxis, isLogz);
+    GUI::QCP_RangeUtil::setLogz(m_qcp->yAxis, isLogz);
 }
 
 void ProjectionsPlot::replot()
diff --git a/GUI/View/Plotter/RangeUtil.cpp b/GUI/View/Plotter/RangeUtil.cpp
index 6f9e1afcf1f03915912d9bd704998ba8dbaaae6d..0c8f960bfcccf66d6c208d307d74d53d9274cc15 100644
--- a/GUI/View/Plotter/RangeUtil.cpp
+++ b/GUI/View/Plotter/RangeUtil.cpp
@@ -3,7 +3,7 @@
 //  BornAgain: simulate and fit reflection and scattering
 //
 //! @file      GUI/View/Plotter/RangeUtil.cpp
-//! @brief     Implements namespace QCP_Util.
+//! @brief     Implements namespace QCP_RangeUtil.
 //!
 //! @homepage  http://www.bornagainproject.org
 //! @license   GNU General Public License v3 or higher (see COPYING)
@@ -15,7 +15,7 @@
 #include "GUI/View/Plotter/RangeUtil.h"
 #include <qcustomplot.h>
 
-void GUI::QCP_Util::setLogz(QCPColorScale* scale, bool isLogz)
+void GUI::QCP_RangeUtil::setLogz(QCPColorScale* scale, bool isLogz)
 {
     if (isLogz && scale->dataScaleType() != QCPAxis::stLogarithmic)
         scale->setDataScaleType(QCPAxis::stLogarithmic);
@@ -26,7 +26,7 @@ void GUI::QCP_Util::setLogz(QCPColorScale* scale, bool isLogz)
     setLogz(scale->axis(), isLogz);
 }
 
-void GUI::QCP_Util::setLogz(QCPAxis* axis, bool isLogz)
+void GUI::QCP_RangeUtil::setLogz(QCPAxis* axis, bool isLogz)
 {
     if (isLogz) {
         axis->setNumberFormat("e");
diff --git a/GUI/View/Plotter/RangeUtil.h b/GUI/View/Plotter/RangeUtil.h
index 535fec4f2e6790643117f547c470246c83baa165..c8203d0350d0b1cd1fefb9077a071761ae27f77d 100644
--- a/GUI/View/Plotter/RangeUtil.h
+++ b/GUI/View/Plotter/RangeUtil.h
@@ -3,7 +3,7 @@
 //  BornAgain: simulate and fit reflection and scattering
 //
 //! @file      GUI/View/Plotter/RangeUtil.h
-//! @brief     Defines namespace QCP_Util.
+//! @brief     Defines namespace QCP_RangeUtil.
 //!
 //! @homepage  http://www.bornagainproject.org
 //! @license   GNU General Public License v3 or higher (see COPYING)
@@ -20,12 +20,12 @@ class QCPColorScale;
 
 //! Provides few helper functions for ColorMapPlot.
 
-namespace GUI::QCP_Util {
+namespace GUI::QCP_RangeUtil {
 
 void setLogz(QCPColorScale* scale, bool isLogz);
 
 void setLogz(QCPAxis* axis, bool isLogz);
 
-} // namespace GUI::QCP_Util
+} // namespace GUI::QCP_RangeUtil
 
 #endif // BORNAGAIN_GUI_VIEW_PLOTTER_RANGEUTIL_H
diff --git a/GUI/View/Plotter/SpecularPlot.cpp b/GUI/View/Plotter/SpecularPlot.cpp
index 29d13bcf37506b0f233ad00168c6a001be4bf053..10e89adb7eb6e986866fb461613e6ce288a53173 100644
--- a/GUI/View/Plotter/SpecularPlot.cpp
+++ b/GUI/View/Plotter/SpecularPlot.cpp
@@ -95,8 +95,8 @@ void SpecularPlot::setLog()
 {
     if (!currentData1DItem())
         return;
-    GUI::QCP_Util::setLogz(m_qcp->yAxis, currentData1DItem()->isLog());
-    GUI::QCP_Util::setLogz(m_qcp->yAxis2, currentData1DItem()->isLog());
+    GUI::QCP_RangeUtil::setLogz(m_qcp->yAxis, currentData1DItem()->isLog());
+    GUI::QCP_RangeUtil::setLogz(m_qcp->yAxis2, currentData1DItem()->isLog());
     replot();
 }