1 files changed, 4 insertions, 0 deletions
diff --git a/src/lib/shm_flow_set.c b/src/lib/shm_flow_set.c
index 9d0e6c83..ca3a1a87 100644
--- a/src/lib/shm_flow_set.c
+++ b/src/lib/shm_flow_set.c
@@ -84,9 +84,13 @@ struct shm_flow_set * shm_flow_set_create()
         mode_t                mask;
         int                   shm_fd;
         int                   i;
+        struct stat           st;
 
         sprintf(fn, SHM_FLOW_SET_PREFIX "%d", getpid());
 
+        if (stat(fn, &st) != -1 && unlink(fn))
+                return NULL;
+
         set = malloc(sizeof(*set));
         if (set == NULL)
                 return NULL;