diff --git a/app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt b/app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt
index 6eb4902f..21df9b4c 100644
--- a/app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt
+++ b/app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt
@@ -2,6 +2,7 @@ package net.pokeranalytics.android.model.migrations
 
 import android.content.Context
 import io.realm.Realm
+import io.realm.kotlin.where
 import net.pokeranalytics.android.model.filter.Query
 import net.pokeranalytics.android.model.filter.QueryCondition
 import net.pokeranalytics.android.model.realm.*
@@ -49,6 +50,22 @@ class Patcher {
 				patchMissingTransactionTypes(context)
 			}
 
+			Preferences.executeOnce(Preferences.Keys.PATCH_ZERO_TABLE, context) {
+				patchZeroTable()
+			}
+
+		}
+
+		private fun patchZeroTable() {
+			val realm = Realm.getDefaultInstance()
+			val zero = 0
+			val sessions = realm.where<Session>().equalTo("numberOfTables", zero).findAll()
+			realm.executeTransaction {
+				sessions.forEach { s ->
+					s.numberOfTables = 1
+				}
+			}
+			realm.close()
 		}
 
 		private fun patchMissingTransactionTypes(context: Context) {
diff --git a/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt b/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt
index 2a500cd5..4fe2ac29 100644
--- a/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt
+++ b/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt
@@ -34,6 +34,7 @@ class Preferences {
 		PATCH_TRANSACTION_TYPES_NAMES("patchTransactionTypesNames"),
 //		PATCH_BLINDS_FORMAT("patchBlindFormat"),
 		PATCH_COMPUTABLE_RESULTS("patchPositiveSessions"),
+		PATCH_ZERO_TABLE("patchZeroTable"),
 		SHOW_STOP_NOTIFICATIONS("showStopNotifications"),
 		ADD_NEW_TRANSACTION_TYPES("addNewTransactionTypes_transfer"),
 		SHOW_VILLAIN_CARDS("showVillainCards"),