diff --git a/samples/image_viewer.cpp b/samples/image_viewer.cpp
index 27ffb17b5b..68ad242b06 100644
--- a/samples/image_viewer.cpp
+++ b/samples/image_viewer.cpp
@@ -215,7 +215,7 @@ static void createImageRenderable(Engine* engine, Scene* scene, App& app) {
     app.scene.defaultTexture = texture;
 }
 
-static void loadImage(App& app, Engine* engine, Path filename) {
+static void loadImage(App& app, Engine* engine, const Path& filename) {
     if (app.scene.imageTexture) {
         engine->destroy(app.scene.imageTexture);
         app.scene.imageTexture = nullptr;
@@ -260,7 +260,8 @@ static void loadImage(App& app, Engine* engine, Path filename) {
             size_t(w * h * channels * sizeof(float)),
             channels == 3 ? Texture::Format::RGB : Texture::Format::RGBA,
             Texture::Type::FLOAT,
-            freeCallback
+            freeCallback,
+            image
     );
 
     texture->setImage(*engine, 0, std::move(buffer));
@@ -351,10 +352,10 @@ int main(int argc, char** argv) {
 
         if (app.showImage) {
             Texture *texture = app.scene.imageTexture;
-            float srcWidth = texture->getWidth();
-            float srcHeight = texture->getHeight();
-            float dstWidth = view->getViewport().width;
-            float dstHeight = view->getViewport().height;
+            float srcWidth = (float) texture->getWidth();
+            float srcHeight = (float) texture->getHeight();
+            float dstWidth = (float) view->getViewport().width;
+            float dstHeight = (float) view->getViewport().height;
 
             float srcRatio = srcWidth / srcHeight;
             float dstRatio = dstWidth / dstHeight;