diff --git a/src/gui/src/AboutDialog.cpp b/src/gui/src/AboutDialog.cpp
index d8019feb..cbf1090e 100644
--- a/src/gui/src/AboutDialog.cpp
+++ b/src/gui/src/AboutDialog.cpp
@@ -30,11 +30,16 @@ AboutDialog::AboutDialog(QWidget* parent, const QString& synergyApp) :
 	m_versionChecker.setApp(synergyApp);
 	m_pLabelSynergyVersion->setText(m_versionChecker.getVersion());
 
+    // change default size based on os
 #if defined(Q_OS_MAC)
-	// fonts on mac are bigger, so window needs to be bigger.
 	QSize size(600, 350);
 	setMaximumSize(size);
 	setMinimumSize(size);
 	resize(size);
+#elif defined(Q_OS_LINUX)
+	QSize size(600, 300);
+	setMaximumSize(size);
+	setMinimumSize(size);
+	resize(size);
 #endif
 }
diff --git a/src/gui/src/MainWindow.cpp b/src/gui/src/MainWindow.cpp
index 77e1b6d5..52eda08e 100644
--- a/src/gui/src/MainWindow.cpp
+++ b/src/gui/src/MainWindow.cpp
@@ -93,10 +93,13 @@ MainWindow::MainWindow(QSettings& settings, AppConfig& appConfig) :
 	m_pElevateCheckBox->hide();
 #endif
 
+    // change default size based on os
 #if defined(Q_OS_MAC)
-        // fonts on mac are bigger, so window needs to be bigger.
-        resize(720, 550);
-        setMinimumSize(size());
+	resize(720, 550);
+	setMinimumSize(size());
+#elif defined(Q_OS_LINUX)
+	resize(700, 530);
+	setMinimumSize(size());
 #endif
 }