diff --git a/src/libs/utils/outputformatter.cpp b/src/libs/utils/outputformatter.cpp
index c03cfd15b63..875ba0ebecf 100644
--- a/src/libs/utils/outputformatter.cpp
+++ b/src/libs/utils/outputformatter.cpp
@@ -329,7 +329,9 @@ OutputLineParser::Result OutputFormatter::handleMessage(const QString &text, Out
                                                         QList<OutputLineParser *> &involvedParsers)
 {
     // We only invoke the line parsers for stdout and stderr
-    if (format != StdOutFormat && format != StdErrFormat)
+    // Bad: on Windows we may get stdout and stdErr only as DebugFormat as e.g. GUI applications
+    // print them Windows-internal and we retrieve this separately
+    if (format != StdOutFormat && format != StdErrFormat && format != DebugFormat)
         return OutputLineParser::Status::NotHandled;
     const OutputLineParser * const oldNextParser = d->nextParser;
     if (d->nextParser) {
diff --git a/src/plugins/qtsupport/qttestparser.cpp b/src/plugins/qtsupport/qttestparser.cpp
index 827cdffa47f..e2bb435ad92 100644
--- a/src/plugins/qtsupport/qttestparser.cpp
+++ b/src/plugins/qtsupport/qttestparser.cpp
@@ -49,7 +49,7 @@ namespace Internal {
 
 OutputLineParser::Result QtTestParser::handleLine(const QString &line, OutputFormat type)
 {
-    if (type != StdOutFormat)
+    if (type != StdOutFormat && type != DebugFormat)
         return Status::NotHandled;
 
     const QString theLine = rightTrimmed(line);