diff --git a/src/AudioUtils.c b/src/AudioUtils.c
index b9bcf1d50928c3ff4078e9ae5d5c4a851657f4f6..3e4427466ddf8325ad02a5e2655ba0f0c31b0d99 100644
--- a/src/AudioUtils.c
+++ b/src/AudioUtils.c
@@ -181,9 +181,9 @@ RawImageDataDuplicatePixels(RawImageData *const ptr)
 RawImageData *
 RawImageDataNewFromData(const double *const data, const size_t size)
 {
-    const int chunk_size  = 512;
-    const int overlap     = 128;
-    const int decal       = chunk_size - overlap;
+    const unsigned int chunk_size  = 512;
+    const unsigned int overlap     = 128;
+    const unsigned int decal       = chunk_size - overlap;
     const size_t width    = (size - chunk_size) / decal;
     const size_t height   = chunk_size;
     unsigned char *pixs   = (unsigned char *)malloc(sizeof(unsigned char) * width * height / 2);
diff --git a/src/TimingScene.cc b/src/TimingScene.cc
index bbea8b69801b984e3e2e97206b95f06688dfdb16..78401ba8bb603e69359e167ad1a1ec20feac2787 100644
--- a/src/TimingScene.cc
+++ b/src/TimingScene.cc
@@ -18,10 +18,10 @@ TimingScene::TimingScene(QWidget *parent) noexcept
 {
 }
 
-TimingScene::TimingScene(QImage img, quint64 soundLength, QWidget *parent) noexcept
+TimingScene::TimingScene(QImage img_, quint64 soundLength_, QWidget *parent) noexcept
     : QGraphicsScene(parent)
-    , img(img)
-    , soundLength(soundLength)
+    , img(img_)
+    , soundLength(soundLength_)
 {
     QPixmap pixmap(QPixmap::fromImage(img));
     backgroundImg = addPixmap(pixmap);