diff --git a/samplecode/SampleApp.cpp b/samplecode/SampleApp.cpp
index 5d7a7b0..53c28e4 100644
--- a/samplecode/SampleApp.cpp
+++ b/samplecode/SampleApp.cpp
@@ -725,7 +725,7 @@
     return title;
 }
 
-bool compareSampleTitle(const SkViewFactory* first, const SkViewFactory* second) {
+static bool compareSampleTitle(const SkViewFactory* first, const SkViewFactory* second) {
     return strcmp(getSampleTitle(first).c_str(), getSampleTitle(second).c_str()) < 0;
 }