diff --git a/src/sample/deferredRendering/fragmentDeferredRendering.wgsl b/src/sample/deferredRendering/fragmentDeferredRendering.wgsl
index aa31306a..b7f29245 100644
--- a/src/sample/deferredRendering/fragmentDeferredRendering.wgsl
+++ b/src/sample/deferredRendering/fragmentDeferredRendering.wgsl
@@ -30,7 +30,7 @@ fn main([[builtin(position)]] coord : vec4<f32>)
 
   var position = textureLoad(
     gBufferPosition,
-    vec2<i32>(round(coord.xy)),
+    vec2<i32>(floor(coord.xy)),
     0
   ).xyz;
 
@@ -40,13 +40,13 @@ fn main([[builtin(position)]] coord : vec4<f32>)
 
   var normal = textureLoad(
     gBufferNormal,
-    vec2<i32>(round(coord.xy)),
+    vec2<i32>(floor(coord.xy)),
     0
   ).xyz;
 
   var albedo = textureLoad(
     gBufferAlbedo,
-    vec2<i32>(round(coord.xy)),
+    vec2<i32>(floor(coord.xy)),
     0
   ).rgb;
 
diff --git a/src/sample/deferredRendering/fragmentGBuffersDebugView.wgsl b/src/sample/deferredRendering/fragmentGBuffersDebugView.wgsl
index f437c7b2..653cd3f6 100644
--- a/src/sample/deferredRendering/fragmentGBuffersDebugView.wgsl
+++ b/src/sample/deferredRendering/fragmentGBuffersDebugView.wgsl
@@ -15,13 +15,13 @@ fn main([[builtin(position)]] coord : vec4<f32>)
   if (c.x < 0.33333) {
     result = textureLoad(
       gBufferPosition,
-      vec2<i32>(round(coord.xy)),
+      vec2<i32>(floor(coord.xy)),
       0
     );
   } elseif (c.x < 0.66667) {
     result = textureLoad(
       gBufferNormal,
-      vec2<i32>(round(coord.xy)),
+      vec2<i32>(floor(coord.xy)),
       0
     );
     result.x = (result.x + 1.0) * 0.5;
@@ -30,7 +30,7 @@ fn main([[builtin(position)]] coord : vec4<f32>)
   } else {
     result = textureLoad(
       gBufferAlbedo,
-      vec2<i32>(round(coord.xy)),
+      vec2<i32>(floor(coord.xy)),
       0
     );
   }