diff --git a/BaseLib/Histogram.h b/BaseLib/Histogram.h
index 8ae04be9d180d4896cb4d1eaeb97a417e80652b6..9c889c6911895e623c15170724daf50cd20b40fa 100644
--- a/BaseLib/Histogram.h
+++ b/BaseLib/Histogram.h
@@ -14,7 +14,7 @@
 #include <ostream>
 #include <vector>
 
-namespace BASELIB
+namespace BaseLib
 {
 
 /** Basic Histogram implementation.
@@ -159,6 +159,6 @@ operator<<(std::ostream& os, const Histogram<T>& h)
     return os << std::endl;
 }
 
-}   // namespace BASELIB
+}   // namespace BaseLib
 
 #endif  // BASELIB_HISTOGRAM_H
diff --git a/Gui/VtkVis/VtkVisPipeline.cpp b/Gui/VtkVis/VtkVisPipeline.cpp
index c3b0819353f61fc162d12b8138cb1a2a5acac3e9..e9a42d86e58c23c97787cc24f9308637a76f35ab 100644
--- a/Gui/VtkVis/VtkVisPipeline.cpp
+++ b/Gui/VtkVis/VtkVisPipeline.cpp
@@ -526,7 +526,7 @@ void VtkVisPipeline::checkMeshQuality(VtkMeshSource* source, MshQualityType::typ
 //			size_t size (static_cast<size_t>(QInputDialog::getInt(NULL, "OGS-Histogram", "number of histogram classes/spins (min: 1, max: 10000)", static_cast<int>(nclasses), 1, 10000, 1, &ok)));
 //			if (ok) ...
 
-		BASELIB::Histogram<double> histogram (checker->getHistogram(nclasses));
+		BaseLib::Histogram<double> histogram (checker->getHistogram(nclasses));
 		std::ofstream out ("mesh_histogram.txt");
 		if (out) {
 			out << "# histogram depicts mesh quality criterion " << MshQualityType2String(t)
diff --git a/MeshLib/MeshQuality/MeshQualityChecker.cpp b/MeshLib/MeshQuality/MeshQualityChecker.cpp
index 2c6c88694da1626234876121db81c43a11d1a261..83fad02943f17e26d7cdbe5b0db4fb56d7cdbc56 100644
--- a/MeshLib/MeshQuality/MeshQualityChecker.cpp
+++ b/MeshLib/MeshQuality/MeshQualityChecker.cpp
@@ -24,14 +24,14 @@ MeshQualityChecker::MeshQualityChecker(Mesh const* const mesh) :
 		_mesh_quality_measure.resize (_mesh->getNElements(), -1.0);
 }
 
-BASELIB::Histogram<double> MeshQualityChecker::getHistogram (size_t nclasses) const
+BaseLib::Histogram<double> MeshQualityChecker::getHistogram (size_t nclasses) const
 {
 	if (nclasses == 0) {
 		// simple suggestion: number of classes with Sturges criterion
 		nclasses = static_cast<size_t>(1 + 3.3 * log (static_cast<float>((_mesh->getNElements()))));
 	}
 
-	return BASELIB::Histogram<double>(getMeshQuality(), nclasses, true);
+	return BaseLib::Histogram<double>(getMeshQuality(), nclasses, true);
 }
 
 void MeshQualityChecker::errorMsg (const Element* elem, size_t idx) const
diff --git a/MeshLib/MeshQuality/MeshQualityChecker.h b/MeshLib/MeshQuality/MeshQualityChecker.h
index 66e9c0dce28ad1935fd3900c12d963ce99c1a2fb..e4cbcaa27ec9e66d1f05094585f61784891ab99e 100644
--- a/MeshLib/MeshQuality/MeshQualityChecker.h
+++ b/MeshLib/MeshQuality/MeshQualityChecker.h
@@ -36,7 +36,7 @@ public:
 	std::vector<double> const& getMeshQuality () const;
 	double getMinValue() const;
 	double getMaxValue() const;
-	virtual BASELIB::Histogram<double> getHistogram (std::size_t nclasses = 0) const;
+	virtual BaseLib::Histogram<double> getHistogram (std::size_t nclasses = 0) const;
 
 protected:
 	void errorMsg (const Element* elem, std::size_t idx) const;