diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/Order.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/Order.kt
index 640694db..41701e2d 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/Order.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/Order.kt
@@ -16,8 +16,8 @@ class Order(
     val validIfPending: Boolean = false,
     val total: BigDecimal? = null,
     val pendingTotal: BigDecimal? = null,
-    val payments: JSONArray = JSONArray(),
-    val refunds: JSONArray = JSONArray(),
+    val payments: JSONArray? = JSONArray(),
+    val refunds: JSONArray? = JSONArray(),
 ) {
 
     val hasValidStatus = when (status) {
diff --git a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/OrderExensions.kt b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/OrderExensions.kt
index eace5152..6a4c22e3 100644
--- a/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/OrderExensions.kt
+++ b/libpretixsync/src/main/java/eu/pretix/libpretixsync/models/db/OrderExensions.kt
@@ -87,19 +87,9 @@ private fun parsePendingTotal(json: JSONObject): BigDecimal? {
 }
 
 private fun parsePayments(json: JSONObject): JSONArray {
-    try {
-        return json.getJSONArray("payments")
-    } catch (e: JSONException) {
-        e.printStackTrace()
-        return JSONArray()
-    }
+    return json.optJSONArray("payments")
 }
 
-private fun parseRefunds(json: JSONObject): JSONArray {
-    try {
-        return json.getJSONArray("refunds")
-    } catch (e: JSONException) {
-        e.printStackTrace()
-        return JSONArray()
-    }
+private fun parseRefunds(json: JSONObject): JSONArray? {
+    return json.optJSONArray("refunds")
 }
diff --git a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Discount.sq b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Discount.sq
index 9e6ed951..5f6d6052 100644
--- a/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Discount.sq
+++ b/libpretixsync/src/main/sqldelight/postgres/eu/pretix/libpretixsync/sqldelight/Discount.sq
@@ -1,12 +1,13 @@
 import java.util.Date;
+import kotlin.Long;
 
 CREATE TABLE Discount (
     id serial AS Long PRIMARY KEY NOT NULL,
     server_id bigint NOT NULL,
     event_slug character varying(255) NOT NULL,
     active boolean NOT NULL,
-    available_from DATE as Date,
-    available_until DATE as Date,
+    available_from DATE AS Date,
+    available_until DATE AS Date,
     "position" bigint NOT NULL,
     json_data text NOT NULL
 );
diff --git a/libpretixsync/src/main/sqldelight/postgres/migrations/111.sqm b/libpretixsync/src/main/sqldelight/postgres/migrations/111.sqm
new file mode 100644
index 00000000..85c2d584
--- /dev/null
+++ b/libpretixsync/src/main/sqldelight/postgres/migrations/111.sqm
@@ -0,0 +1,16 @@
+import java.util.Date;
+import kotlin.Long;
+
+CREATE TABLE Discount (
+    id serial AS Long PRIMARY KEY NOT NULL,
+    server_id bigint NOT NULL,
+    event_slug character varying(255) NOT NULL,
+    active boolean NOT NULL,
+    available_from DATE AS Date,
+    available_until DATE AS Date,
+    "position" bigint NOT NULL,
+    json_data text NOT NULL
+);
+
+ALTER TABLE ReceiptLine ADD line_price_gross numeric;
+ALTER TABLE ReceiptLine ADD discount_id bigint;
diff --git a/libpretixsync/src/main/sqldelight/common/migrations/111.sqm b/libpretixsync/src/main/sqldelight/sqlite/migrations/111.sqm
similarity index 100%
rename from libpretixsync/src/main/sqldelight/common/migrations/111.sqm
rename to libpretixsync/src/main/sqldelight/sqlite/migrations/111.sqm