diff --git a/src/plugins/qt4projectmanager/makestep.cpp b/src/plugins/qt4projectmanager/makestep.cpp
index a78d9e78c5a..cc6963a66d2 100644
--- a/src/plugins/qt4projectmanager/makestep.cpp
+++ b/src/plugins/qt4projectmanager/makestep.cpp
@@ -212,7 +212,7 @@ void MakeStepConfigWidget::updateDetails()
     }
     // -w option enables "Enter"/"Leaving directory" messages, which we need for detecting the
     // absolute file path
-    // FIXME doing this without the user having a way to override this is rather bad
+    // FIXME doing this without the user haaving a way to override this is rather bad
     // so we only do it for unix and if the user didn't override the make command
     // but for now this is the least invasive change
     QStringList args = m_makeStep->value(m_buildConfiguration, "makeargs").toStringList();
@@ -221,7 +221,8 @@ void MakeStepConfigWidget::updateDetails()
         if (m_makeStep->value(m_buildConfiguration, "makeCmd").toString().isEmpty())
             args << "-w";
     }
-    m_summaryText = tr("<b>Make:</b> %1 %2 in %3").arg(QFileInfo(makeCmd).fileName(), args.join(" "), workingDirectory);
+    m_summaryText = tr("<b>Make:</b> %1 %2 in %3").arg(QFileInfo(makeCmd).fileName(), args.join(" "),
+                                                       QDir::toNativeSeparators(workingDirectory));
     emit updateSummary();
 }