1 files changed, 2 insertions, 3 deletions

diff --git a/src/sp_utils.c b/src/sp_utils.c
index 6612e6c..6e39b0a 100644
--- a/src/sp_utils.c
+++ b/src/sp_utils.c
@@ -284,9 +284,8 @@ bool sp_match_array_key(const zval* zv, const char* to_match, const pcre* rx) {
         return true;
       }
     } else {
-      char* idx_str = emalloc(snprintf(NULL, 0, "%lu", idx) + 1);
-
-      sprintf(idx_str, "%lu", idx); // This could use a log.
+      char* idx_str = NULL;
+      spprintf(&idx_str, 0, "%lu", idx);
       if (sp_match_value(idx_str, to_match, rx)) {
         efree(idx_str);
         return true;