diff --git a/src/render/rendergl1.cpp b/src/render/rendergl1.cpp
index de486444..a5552281 100644
--- a/src/render/rendergl1.cpp
+++ b/src/render/rendergl1.cpp
@@ -814,9 +814,12 @@ void OpenGl1Renderer::FlushFrame() {
 }
 
 std::shared_ptr<Pixmap> OpenGl1Renderer::ReadFrame() {
+    int width  = camera.width  * camera.pixelRatio;
+    int height = camera.height * camera.pixelRatio;
     std::shared_ptr<Pixmap> pixmap =
-        Pixmap::Create(Pixmap::Format::RGB, (size_t)camera.width, (size_t)camera.height);
-    glReadPixels(0, 0, camera.width, camera.height, GL_RGB, GL_UNSIGNED_BYTE, &pixmap->data[0]);
+        Pixmap::Create(Pixmap::Format::RGB, (size_t)width, (size_t)height);
+    glReadPixels(0, 0, width, height, GL_RGB, GL_UNSIGNED_BYTE, &pixmap->data[0]);
+    ssassert(glGetError() == GL_NO_ERROR, "Unexpected glReadPixels error");
     return pixmap;
 }
 
diff --git a/src/render/rendergl3.cpp b/src/render/rendergl3.cpp
index ce201aca..3ccf6236 100644
--- a/src/render/rendergl3.cpp
+++ b/src/render/rendergl3.cpp
@@ -679,10 +679,11 @@ void OpenGl3Renderer::Clear() {
 }
 
 std::shared_ptr<Pixmap> OpenGl3Renderer::ReadFrame() {
+    int width  = camera.width  * camera.pixelRatio;
+    int height = camera.height * camera.pixelRatio;
     std::shared_ptr<Pixmap> pixmap =
-        Pixmap::Create(Pixmap::Format::RGBA, (size_t)camera.width, (size_t)camera.height);
-    glReadPixels(0, 0, (int)camera.width, (int)camera.height,
-                 GL_RGBA, GL_UNSIGNED_BYTE, &pixmap->data[0]);
+        Pixmap::Create(Pixmap::Format::RGBA, (size_t)width, (size_t)height);
+    glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, &pixmap->data[0]);
     ssassert(glGetError() == GL_NO_ERROR, "Unexpected glReadPixels error");
     return pixmap;
 }