diff --git a/medmysql.c b/medmysql.c
index 178f85c..4373ca5 100644
--- a/medmysql.c
+++ b/medmysql.c
@@ -418,7 +418,7 @@ int medmysql_insert_records(med_entry_t *records, uint64_t count, const char *ta
     char *sql_buffer = NULL;
     size_t sql_buffer_size = (count + 1) * 1024; // some extra space for sql overhead
     size_t buflen = 0;
-    int ret, entries = 0;
+    int ret = 0, entries = 0;
 
     if (!count)
         return 0;