diff --git a/src/pathops/SkOpSpan.cpp b/src/pathops/SkOpSpan.cpp
index 32d2376..b75a692 100755
--- a/src/pathops/SkOpSpan.cpp
+++ b/src/pathops/SkOpSpan.cpp
@@ -275,6 +275,7 @@
     fCoinEnd = this;
     fFromAngle = NULL;
     fPrev = prev;
+    fSpanAdds = 0;
     fAligned = true;
     fChased = false;
     SkDEBUGCODE(fCount = 1);
@@ -304,6 +305,7 @@
 tryNextRemainder:
         remainder = next;
     }
+    fSpanAdds += span->fSpanAdds;
 }
 
 void SkOpSpan::applyCoincidence(SkOpSpan* opp) {