diff --git a/manimlib/camera/camera.py b/manimlib/camera/camera.py
index 2b54752f..a3f4e5b5 100644
--- a/manimlib/camera/camera.py
+++ b/manimlib/camera/camera.py
@@ -169,10 +169,10 @@ class Camera(object):
 
     # Getting camera attributes
     def get_pixel_size(self) -> float:
-        return self.frame.get_shape()[0] / self.get_pixel_shape()[0]
+        return self.frame.get_width() / self.get_pixel_shape()[0]
 
     def get_pixel_shape(self) -> tuple[int, int]:
-        return self.draw_fbo.size
+        return self.fbo.size
 
     def get_pixel_width(self) -> int:
         return self.get_pixel_shape()[0]
@@ -233,7 +233,7 @@ class Camera(object):
         self.uniforms.update(
             view=tuple(view_matrix.T.flatten()),
             focal_distance=frame.get_focal_distance() / frame.get_scale(),
-            frame_shape=frame.get_shape(),
+            frame_scale=frame.get_scale(),
             pixel_size=self.get_pixel_size(),
             camera_position=tuple(cam_pos),
             light_position=tuple(light_pos),
diff --git a/manimlib/shaders/quadratic_bezier_stroke/vert.glsl b/manimlib/shaders/quadratic_bezier_stroke/vert.glsl
index e673f8dc..b221536a 100644
--- a/manimlib/shaders/quadratic_bezier_stroke/vert.glsl
+++ b/manimlib/shaders/quadratic_bezier_stroke/vert.glsl
@@ -1,6 +1,7 @@
 #version 330
 
-uniform vec2 frame_shape;
+uniform float frame_scale;
+uniform float is_fixed_in_frame;
 
 in vec3 point;
 in vec4 stroke_rgba;
@@ -20,7 +21,10 @@ const float STROKE_WIDTH_CONVERSION = 0.01;
 
 void main(){
     verts = point;
-    v_stroke_width = STROKE_WIDTH_CONVERSION * stroke_width * frame_shape[1] / 8.0;
+    v_stroke_width = STROKE_WIDTH_CONVERSION * stroke_width;
+    if(!bool(is_fixed_in_frame)){
+        v_stroke_width *= frame_scale;
+    }
     v_joint_product = joint_product;
     v_color = stroke_rgba;
     v_vert_index = gl_VertexID;