diff --git a/src/plugins/git/gitclient.cpp b/src/plugins/git/gitclient.cpp
index 5308b8c344b..4d42372c72b 100644
--- a/src/plugins/git/gitclient.cpp
+++ b/src/plugins/git/gitclient.cpp
@@ -2916,9 +2916,9 @@ bool GitClient::getCommitData(const FilePath &workingDirectory,
 static inline QString msgCommitted(const QString &amendSHA1, int fileCount)
 {
     if (amendSHA1.isEmpty())
-        return GitClient::tr("Committed %n files.", nullptr, fileCount) + '\n';
+        return GitClient::tr("Committed %n files.", nullptr, fileCount);
     if (fileCount)
-        return GitClient::tr("Amended \"%1\" (%n files).", nullptr, fileCount).arg(amendSHA1) + '\n';
+        return GitClient::tr("Amended \"%1\" (%n files).", nullptr, fileCount).arg(amendSHA1);
     return GitClient::tr("Amended \"%1\".").arg(amendSHA1);
 }
 
diff --git a/src/plugins/vcsbase/vcsoutputwindow.cpp b/src/plugins/vcsbase/vcsoutputwindow.cpp
index ec00b8e829b..976bf82c428 100644
--- a/src/plugins/vcsbase/vcsoutputwindow.cpp
+++ b/src/plugins/vcsbase/vcsoutputwindow.cpp
@@ -428,12 +428,12 @@ void VcsOutputWindow::append(const QString &text, MessageStyle style, bool silen
 
 void VcsOutputWindow::appendError(const QString &text)
 {
-    append(text, Error, false);
+    append(text.endsWith('\n') ? text : text + '\n', Error, false);
 }
 
 void VcsOutputWindow::appendWarning(const QString &text)
 {
-    append(text, Warning, false);
+    append(text + '\n', Warning, false);
 }
 
 QString VcsOutputWindow::msgExecutionLogEntry(const FilePath &workingDir, const CommandLine &command)
@@ -455,7 +455,7 @@ void VcsOutputWindow::appendCommand(const FilePath &workingDirectory, const Comm
 
 void VcsOutputWindow::appendMessage(const QString &text)
 {
-    append(text, Message, true);
+    append(text + '\n', Message, true);
 }
 
 void VcsOutputWindow::destroy()