diff --git a/src/libs/utils/commandline.cpp b/src/libs/utils/commandline.cpp
index ecea6934cfb..c86a6adede0 100644
--- a/src/libs/utils/commandline.cpp
+++ b/src/libs/utils/commandline.cpp
@@ -34,6 +34,12 @@
 #include <QRegularExpression>
 #include <QStack>
 
+QT_BEGIN_NAMESPACE
+QDebug operator<<(QDebug dbg, const Utils::CommandLine &cmd)
+{
+    return dbg << cmd.toUserOutput();
+}
+QT_END_NAMESPACE
 
 // The main state of the Unix shell parser
 enum MxQuoting { MxBasic, MxSingleQuote, MxDoubleQuote, MxParen, MxSubst, MxGroup, MxMath };
diff --git a/src/libs/utils/commandline.h b/src/libs/utils/commandline.h
index 50634b1d809..c5408c45b12 100644
--- a/src/libs/utils/commandline.h
+++ b/src/libs/utils/commandline.h
@@ -171,4 +171,8 @@ private:
 
 } // namespace Utils
 
+QT_BEGIN_NAMESPACE
+QTCREATOR_UTILS_EXPORT QDebug operator<<(QDebug dbg, const Utils::CommandLine &cmd);
+QT_END_NAMESPACE
+
 Q_DECLARE_METATYPE(Utils::CommandLine)