diff --git a/com.unity.render-pipelines.high-definition/CHANGELOG.md b/com.unity.render-pipelines.high-definition/CHANGELOG.md
index 4a9fe8b0926..b121a50d048 100644
--- a/com.unity.render-pipelines.high-definition/CHANGELOG.md
+++ b/com.unity.render-pipelines.high-definition/CHANGELOG.md
@@ -141,6 +141,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed probe volume baking not generating any probes on mac.
 - Fix a few UX issues in APV.
 - Fixed issue with detail normals when scale is null (case 1399548).
+- Fixed a scaling issue when the camera color buffer is sampled and a planar reflection probe is in the scene.
 
 ## [14.0.0] - 2021-11-17
 
diff --git a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassSampling.hlsl b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassSampling.hlsl
index 8bb888254d1..eed92ec1201 100644
--- a/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassSampling.hlsl
+++ b/com.unity.render-pipelines.high-definition/Runtime/RenderPipeline/RenderPass/CustomPass/CustomPassSampling.hlsl
@@ -22,7 +22,7 @@ float3 CustomPassSampleCameraColor(float2 uv, float lod, bool uvGuards = true)
         case CUSTOMPASSINJECTIONPOINT_BEFORE_TRANSPARENT: return SAMPLE_TEXTURE2D_X_LOD(_ColorPyramidTexture, s_trilinear_clamp_sampler, uv * _RTHandleScaleHistory.xy, lod).rgb;
         case CUSTOMPASSINJECTIONPOINT_BEFORE_POST_PROCESS: return SAMPLE_TEXTURE2D_X_LOD(_ColorPyramidTexture, s_trilinear_clamp_sampler, uv * _RTHandleScale.xy, lod).rgb;
         case CUSTOMPASSINJECTIONPOINT_BEFORE_PRE_REFRACTION: return SAMPLE_TEXTURE2D_X_LOD(_ColorPyramidTexture, s_trilinear_clamp_sampler, uv * _RTHandleScale.xy, 0).rgb;
-        case CUSTOMPASSINJECTIONPOINT_AFTER_POST_PROCESS: return SAMPLE_TEXTURE2D_X_LOD(_AfterPostProcessColorBuffer, s_trilinear_clamp_sampler, uv * _RTHandleScale.zw, 0).rgb;
+        case CUSTOMPASSINJECTIONPOINT_AFTER_POST_PROCESS: return SAMPLE_TEXTURE2D_X_LOD(_AfterPostProcessColorBuffer, s_trilinear_clamp_sampler, ClampAndScaleUVForBilinearPostProcessTexture(uv), 0).rgb;
         default: return SampleCameraColor(uv, lod);
     }
 }