diff --git a/src/core/SkAAClip.cpp b/src/core/SkAAClip.cpp
index c4b15b6..8936297 100644
--- a/src/core/SkAAClip.cpp
+++ b/src/core/SkAAClip.cpp
@@ -1702,7 +1702,11 @@
         case SkRegion::kIntersect_Op:
         case SkRegion::kDifference_Op:
             if (!rStorage.intersect(rOrig, boundsStorage)) {
-                return this->setEmpty();
+                if (SkRegion::kIntersect_Op == op) {
+                    return this->setEmpty();
+                } else {    // kDifference
+                    return !this->isEmpty();
+                }
             }
             r = &rStorage;   // use the intersected bounds
             break;