1 files changed, 4 insertions, 2 deletions
diff --git a/hugin.c b/hugin.c
index cf72e5e..0543172 100644
--- a/hugin.c
+++ b/hugin.c
@@ -230,7 +230,8 @@ hug_status_t hug_init(unsigned int flags, ...)
     case HUG_OPTION_FILENAME:
       if(hug_config.flags & HUG_FLAG_OUTPUT_TO_FILE) {
         hug_config.filename = strdup((const char*)va_arg(vl, char*));
-        hug_config.file_fd = open(hug_config.filename, O_CREAT | O_RDWR, 0777);
+        hug_config.file_fd = open(hug_config.filename,
+                                  O_CREAT | O_APPEND | O_RDWR, 0777);
         if(hug_config.file_fd == -1) {
           fprintf(stderr, "Could not open logfile for writing: %s\n",
                   hug_config.filename);
@@ -291,7 +292,8 @@ hug_status_t hugin_reopen_log()
   if((hug_config.flags & HUG_FLAG_OUTPUT_TO_FILE) == 0) return HUG_STATUS_OK;
 
   close(hug_config.file_fd);
-  hug_config.file_fd = open(hug_config.filename, O_CREAT | O_RDWR, 0777);
+  hug_config.file_fd = open(hug_config.filename,
+                            O_CREAT | O_APPEND | O_RDWR, 0777);
 
   if(hug_config.file_fd == -1) {
     fprintf(stderr, "Could not re-open logfile for writing: %s\n",