diff --git a/iguana/exchanges/LP_swap.c b/iguana/exchanges/LP_swap.c
index c445cdb9a..4e2735196 100644
--- a/iguana/exchanges/LP_swap.c
+++ b/iguana/exchanges/LP_swap.c
@@ -739,6 +739,7 @@ int32_t LP_swapwait(struct basilisk_swap *swap,uint32_t requestid,uint32_t quote
                 if ( jstr(retjson,"status") != 0 && strcmp(jstr(retjson,"status"),"finished") == 0 )
                 {
                     swap->I.finished = (uint32_t)time(NULL);
+                    free(retstr);
                     break;
                 }
                 else if ( time(NULL) > swap->I.expiration )