diff --git a/src/libs/utils/fileutils.cpp b/src/libs/utils/fileutils.cpp
index 363697c4fba..2edcf420bbc 100644
--- a/src/libs/utils/fileutils.cpp
+++ b/src/libs/utils/fileutils.cpp
@@ -74,6 +74,8 @@ namespace Utils {
 
 */
 
+CommandLine::CommandLine() = default;
+
 CommandLine::CommandLine(const QString &executable)
     : m_executable(FilePath::fromString(executable))
 {}
diff --git a/src/libs/utils/fileutils.h b/src/libs/utils/fileutils.h
index c40ad2b3303..a4693ddf752 100644
--- a/src/libs/utils/fileutils.h
+++ b/src/libs/utils/fileutils.h
@@ -130,7 +130,7 @@ class QTCREATOR_UTILS_EXPORT CommandLine
 public:
     enum RawType { Raw };
 
-    CommandLine() {}
+    CommandLine();
     explicit CommandLine(const QString &executable);
     explicit CommandLine(const FilePath &executable);
     CommandLine(const QString &exe, const QStringList &args);
@@ -300,3 +300,4 @@ template<> struct hash<Utils::FilePath>
 } // namespace std
 
 Q_DECLARE_METATYPE(Utils::FilePath)
+Q_DECLARE_METATYPE(Utils::CommandLine)