diff --git a/app/src/main/java/net/pokeranalytics/android/PokerAnalyticsApplication.kt b/app/src/main/java/net/pokeranalytics/android/PokerAnalyticsApplication.kt
index 031b6d0a..641a2d02 100644
--- a/app/src/main/java/net/pokeranalytics/android/PokerAnalyticsApplication.kt
+++ b/app/src/main/java/net/pokeranalytics/android/PokerAnalyticsApplication.kt
@@ -20,12 +20,11 @@ import net.pokeranalytics.android.util.billing.AppGuard
 import timber.log.Timber
 
 
-
 class PokerAnalyticsApplication : Application() {
 
 	override fun onCreate() {
 		super.onCreate()
-        UserDefaults.init(this)
+		UserDefaults.init(this)
 
 		// AppGuard / Billing services
 		AppGuard.load(this.applicationContext)
@@ -64,9 +63,7 @@ class PokerAnalyticsApplication : Application() {
 			this.createFakeSessions()
 		}
 
-
-		Patcher.patchBreaks()
-		Patcher.patchDefaultTransactionTypes(this.applicationContext)
+		Patcher.patchAll(this.applicationContext)
 	}
 
 	/**
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 3b32fc3a..989aa48b 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
@@ -5,12 +5,24 @@ import io.realm.Realm
 import net.pokeranalytics.android.model.filter.Query
 import net.pokeranalytics.android.model.filter.QueryCondition
 import net.pokeranalytics.android.model.realm.*
+import net.pokeranalytics.android.util.Preferences
 
 class Patcher {
 
 	companion object {
 
-		fun patchBreaks() {
+		fun patchAll(context: Context) {
+
+			Preferences.executeOnce(Preferences.Keys.PATCH_BREAK, context) {
+				patchBreaks()
+			}
+			Preferences.executeOnce(Preferences.Keys.PATCH_TRANSACTION_TYPES_NAMES, context) {
+				patchDefaultTransactionTypes(context)
+			}
+
+		}
+
+		private fun patchBreaks() {
 
 			val realm = Realm.getDefaultInstance()
 			val sets = realm.where(SessionSet::class.java).findAll()
@@ -32,7 +44,7 @@ class Patcher {
 
 		}
 
-		fun patchDefaultTransactionTypes(context: Context) {
+		private fun patchDefaultTransactionTypes(context: Context) {
 			val realm = Realm.getDefaultInstance()
 			realm.executeTransaction {
 				val tts = realm.where(TransactionType::class.java).findAll()
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 0a84d9f2..5bf4524b 100644
--- a/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt
+++ b/app/src/main/java/net/pokeranalytics/android/util/Preferences.kt
@@ -6,13 +6,17 @@ import java.util.*
 
 class Preferences {
 
+    private val ONCE_PREFIX = "singleExecution_"
+
     enum class Keys(var identifier: String) {
         CURRENCY_CODE("CurrencyCode"),
         LOCALE_CODE("LocaleCode"),
         FIRST_LAUNCH("firstLaunch"),
 	    STOP_SHOWING_DISCLAIMER("stopShowingDisclaimer"),
         ACTIVE_FILTER_ID("ActiveFilterId"),
-        LATEST_PURCHASE("latestPurchase")
+        LATEST_PURCHASE("latestPurchase"),
+        PATCH_BREAK("patchBreaks"),
+        PATCH_TRANSACTION_TYPES_NAMES("patchTransactionTypesNames")
     }
 
     companion object {
@@ -99,6 +103,13 @@ class Preferences {
 		    return !getBoolean(Keys.STOP_SHOWING_DISCLAIMER, context)
 	    }
 
+        fun executeOnce(key: Keys, context: Context, executable: () -> Unit) {
+            if (!getBoolean(key, context)) {
+                executable.invoke()
+                setBoolean(key, true, context)
+            }
+        }
+
     }
 
 }