1 files changed, 1 insertions, 1 deletions
diff --git a/dtrain/dtrain.h b/dtrain/dtrain.h
index 94d149ce..ac0345a4 100644
--- a/dtrain/dtrain.h
+++ b/dtrain/dtrain.h
@@ -32,7 +32,7 @@ inline void register_and_convert(const vector<string>& strs, vector<WordID>& ids
 
 inline string gettmpf(const string path, const string infix)
 {
-  char fn[1024];
+  char fn[path.size() + infix.size() + 8];
   strcpy(fn, path.c_str());
   strcat(fn, "/");
   strcat(fn, infix.c_str());