1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Core/StatsTracker.h b/lib/Core/StatsTracker.h
index 8f3a01a2..f06decdc 100644
--- a/lib/Core/StatsTracker.h
+++ b/lib/Core/StatsTracker.h
@@ -19,6 +19,7 @@ namespace llvm {
   class BranchInst;
   class Function;
   class Instruction;
+  class raw_fd_ostream;
 }
 
 namespace klee {
@@ -36,7 +37,7 @@ namespace klee {
     Executor &executor;
     std::string objectFilename;
 
-    std::ostream *statsFile, *istatsFile;
+    llvm::raw_fd_ostream *statsFile, *istatsFile;
     double startWallTime;
     
     unsigned numBranches;