diff --git a/src/libs/clangbackendipc/lineprefixer.cpp b/src/libs/clangbackendipc/lineprefixer.cpp
index 1f307f2bd47..b11f98e7a76 100644
--- a/src/libs/clangbackendipc/lineprefixer.cpp
+++ b/src/libs/clangbackendipc/lineprefixer.cpp
@@ -28,8 +28,7 @@
 namespace ClangBackEnd {
 
 LinePrefixer::LinePrefixer(const QByteArray &prefix)
-    : m_prefix(prefix),
-      m_previousIsEndingWithNewLine(true)
+    : m_prefix(prefix)
 {}
 
 void LinePrefixer::setPrefix(const QByteArray &prefix)
diff --git a/src/libs/clangbackendipc/lineprefixer.h b/src/libs/clangbackendipc/lineprefixer.h
index a710997a8cf..4e2972319c7 100644
--- a/src/libs/clangbackendipc/lineprefixer.h
+++ b/src/libs/clangbackendipc/lineprefixer.h
@@ -43,7 +43,7 @@ public:
 
 private:
     QByteArray m_prefix;
-    bool m_previousIsEndingWithNewLine;
+    bool m_previousIsEndingWithNewLine = true;
 };
 
 } // namespace ClangBackEnd