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-rw-r--r--dexlayout/dex_visualize.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/dexlayout/dex_visualize.cc b/dexlayout/dex_visualize.cc
index 4a36744e97..27cec8d951 100644
--- a/dexlayout/dex_visualize.cc
+++ b/dexlayout/dex_visualize.cc
@@ -53,7 +53,7 @@ class Dumper {
bool OpenAndPrintHeader(size_t dex_index) {
// Open the file and emit the gnuplot prologue.
- out_file_ = fopen(MultidexName("layout", dex_index, ".gnuplot").c_str(), "w");
+ out_file_ = fopen(MultidexName("layout", dex_index, ".gnuplot").c_str(), "we");
if (out_file_ == nullptr) {
return false;
}