diff --git a/mainwindow.cpp b/mainwindow.cpp
index d8df364..4bb901e 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -16,18 +16,18 @@
 #include <stdexcept>
 
 namespace {
-constexpr int samplerates[] = { 44100, 48000, 96000, 192000 };
+    constexpr int samplerates[] = { 44100, 48000, 96000, 192000 };
 
-constexpr int refreshrates[] = { 1, 15, 30, 50, 60 };
+    constexpr int refreshrates[] = { 1, 15, 30, 50, 60 };
 
-constexpr int zoomlevels[] = { 50, 75, 100, 200, 400, 800 };
+    constexpr int zoomlevels[] = { 50, 75, 100, 200, 400, 800 };
 
-template<typename T>
-void setActionsEnabled(const T &actions, bool enabled)
-{
-    for(auto action : actions)
-        action->setEnabled(enabled);
-}
+    template<typename T>
+    void setActionsEnabled(const T &actions, bool enabled)
+    {
+        for(auto action : actions)
+            action->setEnabled(enabled);
+    }
 }
 
 MainWindow::MainWindow(QWidget *parent) :
diff --git a/osciwidget.cpp b/osciwidget.cpp
index e6f3f21..9aa29f6 100644
--- a/osciwidget.cpp
+++ b/osciwidget.cpp
@@ -9,8 +9,10 @@
 // system includes
 #include <cmath>
 
-qint32 framesForDuration(qint64 duration){
-    return qint32(44100 * duration / 1000000LL);
+namespace {
+    qint32 framesForDuration(qint64 duration){
+        return qint32(44100 * duration / 1000000LL);
+    }
 }