1 files changed, 3 insertions, 2 deletions

diff --git a/src/sp_config_utils.c b/src/sp_config_utils.c
index 84b1f30..415e434 100644
--- a/src/sp_config_utils.c
+++ b/src/sp_config_utils.c
@@ -11,8 +11,9 @@ sp_list_node *parse_functions_list(const char *const value) {
   sp_list_node *list = NULL;
   char *tmp = strdup(value);
   const char *function_name;
-  char *next_token = tmp;
-  while ((function_name = strtok_r(NULL, sep, &next_token))) {
+  char *next_token = NULL;
+  for (function_name = strtok_r(tmp, sep, &next_token); function_name;
+       function_name = strtok_r(NULL, sep, &next_token)) {
     list = sp_list_prepend(list, strdup(function_name));
   }
   free(tmp);