diff --git a/libs/hwui/renderthread/RenderThread.cpp b/libs/hwui/renderthread/RenderThread.cpp
index c740074..94ed06c 100644
--- a/libs/hwui/renderthread/RenderThread.cpp
+++ b/libs/hwui/renderthread/RenderThread.cpp
@@ -357,7 +357,7 @@
 
     String8 cachesOutput;
     mCacheManager->dumpMemoryUsage(cachesOutput, mRenderState);
-    dprintf(fd, "\nPipeline=%s\n%s", pipelineToString(), cachesOutput.string());
+    dprintf(fd, "\nPipeline=%s\n%s", pipelineToString(), cachesOutput.c_str());
     for (auto&& context : mCacheManager->mCanvasContexts) {
         context->visitAllRenderNodes([&](const RenderNode& node) {
             if (node.isTextureView()) {