diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index b494529..9c3fb09 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -97,6 +97,7 @@
 #include <utils/Timers.h>
 #include <utils/misc.h>
 
+#include <unistd.h>
 #include <algorithm>
 #include <cerrno>
 #include <cinttypes>
@@ -916,11 +917,9 @@
             auto writeFn = [&]() {
                 const std::string filename =
                         TransactionTracing::DIR_NAME + prefix + TransactionTracing::FILE_NAME;
-                if (overwrite) {
-                    std::ifstream file(filename);
-                    if (file.is_open()) {
-                        return;
-                    }
+                if (overwrite && access(filename.c_str(), F_OK) == 0) {
+                    ALOGD("TransactionTraceWriter: file=%s already exists", filename.c_str());
+                    return;
                 }
                 mTransactionTracing->flush();
                 mTransactionTracing->writeToFile(filename);
diff --git a/services/surfaceflinger/Tracing/TransactionTracing.h b/services/surfaceflinger/Tracing/TransactionTracing.h
index fa006fc..a59dc6e 100644
--- a/services/surfaceflinger/Tracing/TransactionTracing.h
+++ b/services/surfaceflinger/Tracing/TransactionTracing.h
@@ -77,7 +77,7 @@
     friend class SurfaceFlinger;
 
     static constexpr auto DIR_NAME = "/data/misc/wmtrace/";
-    static constexpr auto FILE_NAME = "/transactions_trace.winscope";
+    static constexpr auto FILE_NAME = "transactions_trace.winscope";
     static constexpr auto FILE_PATH = "/data/misc/wmtrace/transactions_trace.winscope";
 
     mutable std::mutex mTraceLock;