diff --git a/src/hdGatling/main.cpp b/src/hdGatling/main.cpp
index 4addea6f..43d173d4 100644
--- a/src/hdGatling/main.cpp
+++ b/src/hdGatling/main.cpp
@@ -269,7 +269,8 @@ class GraphicalTestContext
       errorPixelCount += (diff > 0) ? 1 : 0;
       diffValues[i] = 255 - uint8_t(diff);
     }
-    CHECK_EQ(errorPixelCount, 0);
+    // TODO: threshold as namespaced setting
+    CHECK_LE(errorPixelCount, 2);
         TF_STATUS("10");
 
     HioImageSharedPtr diffImage = HioImage::OpenForWriting(diffPath);