1 files changed, 1 insertions, 1 deletions
diff --git a/rts/Hpc.c b/rts/Hpc.c
index 9ba9b04b61..abf85430ac 100644
--- a/rts/Hpc.c
+++ b/rts/Hpc.c
@@ -388,7 +388,7 @@ exitHpc(void) {
   // not clober the .tix file.
 
   if (hpc_pid == getpid()) {
-    FILE *f = __rts_fopen(tixFilename,"w");
+    FILE *f = __rts_fopen(tixFilename,"w+");
     writeTix(f);
   }