1 files changed, 4 insertions, 2 deletions
diff --git a/src/OutputInfo.c b/src/OutputInfo.c
index 96af228..d737375 100644
--- a/src/OutputInfo.c
+++ b/src/OutputInfo.c
@@ -579,7 +579,7 @@ static void PrintHeader (iobasicGH *myGH, int num_vars)
 {
   DECLARE_CCTK_PARAMETERS
   int i, num_columns, vindex;
-  char *fullname, *msg;
+  char *fullname, *msg, *oldmsg;
   iobasic_reduction_t *reduction;
 
 
@@ -601,7 +601,9 @@ static void PrintHeader (iobasicGH *myGH, int num_vars)
       }
       else
       {
-        Util_asprintf (&msg, "%s %s", msg, fullname);
+        oldmsg = msg;
+        Util_asprintf (&msg, "%s %s", oldmsg, fullname);
+        free (oldmsg);
       }
       free (fullname);
     }