diff --git a/src/switch_core_sqldb.c b/src/switch_core_sqldb.c
index 7495b06302..798e7c288f 100644
--- a/src/switch_core_sqldb.c
+++ b/src/switch_core_sqldb.c
@@ -996,7 +996,7 @@ static void *SWITCH_THREAD_FUNC switch_core_sql_thread(switch_thread_t *thread,
 					trans = 1;
 				}
 
-				if (len + newlen > sql_len) {
+				if (len + newlen + 1 > sql_len) {
 					int new_mlen = len + newlen + 10240;
 					
 					if (new_mlen < runtime.max_sql_buffer_len) {