diff --git a/tests/CanvasTest.cpp b/tests/CanvasTest.cpp
index 2e15ebb..1d8e3cd 100644
--- a/tests/CanvasTest.cpp
+++ b/tests/CanvasTest.cpp
@@ -478,7 +478,7 @@
                                 skiatest::Reporter* reporter,
                                 CanvasTestStep* testStep) {
     int baseSaveCount = canvas->getSaveCount();
-    size_t n = canvas->save();
+    int n = canvas->save();
     REPORTER_ASSERT_MESSAGE(reporter, baseSaveCount == n, testStep->assertMessage());
     REPORTER_ASSERT_MESSAGE(reporter, baseSaveCount + 1 == canvas->getSaveCount(),
         testStep->assertMessage());