diff --git a/src/plugins/projectexplorer/projectwindow.cpp b/src/plugins/projectexplorer/projectwindow.cpp
index 8030122c65e..40ef10ef00a 100644
--- a/src/plugins/projectexplorer/projectwindow.cpp
+++ b/src/plugins/projectexplorer/projectwindow.cpp
@@ -58,6 +58,9 @@
 #include <utils/treemodel.h>
 #include <utils/utilsicons.h>
 
+#include <texteditor/fontsettings.h>
+#include <texteditor/texteditorsettings.h>
+
 #include <QApplication>
 #include <QComboBox>
 #include <QDockWidget>
@@ -100,6 +103,8 @@ private:
     QAction *m_filterActionRegexp;
     QAction *m_filterActionCaseSensitive;
     QAction *m_invertFilterAction;
+    QAction *m_zoomIn;
+    QAction *m_zoomOut;
 };
 
 BuildSystemOutputWindow::BuildSystemOutputWindow()
@@ -140,6 +145,26 @@ BuildSystemOutputWindow::BuildSystemOutputWindow()
     Core::ActionManager::registerAction(m_invertFilterAction,
                                         kInvertActionId,
                                         Context(Constants::C_PROJECTEXPLORER));
+
+    connect(TextEditor::TextEditorSettings::instance(),
+            &TextEditor::TextEditorSettings::fontSettingsChanged,
+            this,
+            [this] { setBaseFont(TextEditor::TextEditorSettings::fontSettings().font()); });
+    setBaseFont(TextEditor::TextEditorSettings::fontSettings().font());
+
+    m_zoomIn = new QAction;
+    m_zoomIn->setIcon(Utils::Icons::PLUS_TOOLBAR.icon());
+    connect(m_zoomIn, &QAction::triggered, this, [this] { zoomIn(); });
+    ActionManager::registerAction(m_zoomIn,
+                                  Core::Constants::ZOOM_IN,
+                                  Context(kBuildSystemOutputContext));
+
+    m_zoomOut = new QAction;
+    m_zoomOut->setIcon(Utils::Icons::MINUS.icon());
+    connect(m_zoomOut, &QAction::triggered, this, [this] { zoomOut(); });
+    ActionManager::registerAction(m_zoomOut,
+                                  Core::Constants::ZOOM_OUT,
+                                  Context(kBuildSystemOutputContext));
 }
 
 QWidget *BuildSystemOutputWindow::toolBar()
@@ -171,12 +196,19 @@ QWidget *BuildSystemOutputWindow::toolBar()
             popup->show();
         });
 
+        auto zoomInButton = new CommandButton(Core::Constants::ZOOM_IN);
+        zoomInButton->setDefaultAction(m_zoomIn);
+        auto zoomOutButton = new CommandButton(Core::Constants::ZOOM_OUT);
+        zoomOutButton->setDefaultAction(m_zoomOut);
+
         auto layout = new QHBoxLayout;
         layout->setContentsMargins(0, 0, 0, 0);
         layout->setSpacing(0);
         m_toolBar->setLayout(layout);
         layout->addWidget(clearButton);
         layout->addWidget(m_filterOutputLineEdit);
+        layout->addWidget(zoomInButton);
+        layout->addWidget(zoomOutButton);
         layout->addStretch();
     }
     return m_toolBar;