diff --git a/src/gpu/ganesh/ops/DrawMeshOp.cpp b/src/gpu/ganesh/ops/DrawMeshOp.cpp
index fa35a6d..c02825b 100644
--- a/src/gpu/ganesh/ops/DrawMeshOp.cpp
+++ b/src/gpu/ganesh/ops/DrawMeshOp.cpp
@@ -1006,7 +1006,7 @@
     if (SkToBool(fIndexCount) != SkToBool(that->fIndexCount)) {
         return CombineResult::kCannotCombine;
     }
-    if (SkToBool(fIndexCount) && fVertexCount > UINT16_MAX - that->fVertexCount) {
+    if (SkToBool(fIndexCount) && fVertexCount > SkToInt(UINT16_MAX) - that->fVertexCount) {
         return CombineResult::kCannotCombine;
     }