diff --git a/Libs/ImageProcessing/ITK/Core/Testing/Cpp/ctkITKErrorLogModelFileLoggingTest1.cpp b/Libs/ImageProcessing/ITK/Core/Testing/Cpp/ctkITKErrorLogModelFileLoggingTest1.cpp
index d0dba2797a..bb45aa5028 100644
--- a/Libs/ImageProcessing/ITK/Core/Testing/Cpp/ctkITKErrorLogModelFileLoggingTest1.cpp
+++ b/Libs/ImageProcessing/ITK/Core/Testing/Cpp/ctkITKErrorLogModelFileLoggingTest1.cpp
@@ -22,6 +22,7 @@
 #include <QCoreApplication>
 #include <QDebug>
 #include <QDir>
+#include <QRegExp>
 #include <QTemporaryFile>
 
 // CTK includes