diff --git a/app/src/main/java/info/nightscout/androidaps/dependencyInjection/AppComponent.kt b/app/src/main/java/info/nightscout/androidaps/dependencyInjection/AppComponent.kt
index cb6fc27cb9..edf202b5ce 100644
--- a/app/src/main/java/info/nightscout/androidaps/dependencyInjection/AppComponent.kt
+++ b/app/src/main/java/info/nightscout/androidaps/dependencyInjection/AppComponent.kt
@@ -1,6 +1,5 @@
 package info.nightscout.androidaps.dependencyInjection
 
-import android.app.Application
 import dagger.BindsInstance
 import dagger.Component
 import dagger.android.AndroidInjectionModule
@@ -23,7 +22,7 @@ interface AppComponent : AndroidInjector<MainApp> {
     interface Builder {
 
         @BindsInstance
-        fun application(application: Application): Builder
+        fun application(mainApp: MainApp): Builder
 
         fun build(): AppComponent
     }
diff --git a/app/src/main/java/info/nightscout/androidaps/dependencyInjection/AppModule.kt b/app/src/main/java/info/nightscout/androidaps/dependencyInjection/AppModule.kt
index f55ee48ae9..367f228ed3 100644
--- a/app/src/main/java/info/nightscout/androidaps/dependencyInjection/AppModule.kt
+++ b/app/src/main/java/info/nightscout/androidaps/dependencyInjection/AppModule.kt
@@ -1,11 +1,13 @@
 package info.nightscout.androidaps.dependencyInjection
 
-import android.app.Application
 import android.content.Context
 import android.preference.PreferenceManager
 import dagger.Binds
 import dagger.Module
 import dagger.Provides
+import info.nightscout.androidaps.MainApp
+import info.nightscout.androidaps.utils.resources.ResourceHelper
+import info.nightscout.androidaps.utils.resources.ResourceHelperImplementation
 import info.nightscout.androidaps.utils.sharedPreferences.SP
 import info.nightscout.androidaps.utils.sharedPreferences.SPImplementation
 import javax.inject.Singleton
@@ -19,10 +21,16 @@ class AppModule {
         return SPImplementation(PreferenceManager.getDefaultSharedPreferences(context))
     }
 
+    @Provides
+    @Singleton
+    fun provideResources(mainApp: MainApp): ResourceHelper {
+        return ResourceHelperImplementation(mainApp)
+    }
+
     @Module
     interface AppBindings {
 
         @Binds
-        fun bindContext(application: Application): Context
+        fun bindContext(mainApp: MainApp): Context
     }
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefFreePeakPlugin.kt b/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefFreePeakPlugin.kt
index 6707fd7873..ba6773d324 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefFreePeakPlugin.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefFreePeakPlugin.kt
@@ -2,7 +2,7 @@ package info.nightscout.androidaps.plugins.insulin
 
 import info.nightscout.androidaps.R
 import info.nightscout.androidaps.interfaces.InsulinInterface
-import info.nightscout.androidaps.utils.ResourceHelper
+import info.nightscout.androidaps.utils.resources.ResourceHelper
 import info.nightscout.androidaps.utils.sharedPreferences.SP
 import javax.inject.Inject
 import javax.inject.Singleton
@@ -21,7 +21,7 @@ class InsulinOrefFreePeakPlugin @Inject constructor(
     }
 
     override fun getFriendlyName(): String {
-        return resourceHelper.gs(R.string.free_peak_oref)
+        return resourceHelper.gs(R.string.free_peak_oref) ?: ""
     }
 
     public override fun commentStandardText(): String {
diff --git a/app/src/main/java/info/nightscout/androidaps/utils/ResourceHelper.kt b/app/src/main/java/info/nightscout/androidaps/utils/ResourceHelper.kt
deleted file mode 100644
index a718a0803e..0000000000
--- a/app/src/main/java/info/nightscout/androidaps/utils/ResourceHelper.kt
+++ /dev/null
@@ -1,22 +0,0 @@
-package info.nightscout.androidaps.utils
-
-import androidx.annotation.ColorRes
-import androidx.annotation.PluralsRes
-import androidx.annotation.StringRes
-import info.nightscout.androidaps.MainApp
-import javax.inject.Inject
-
-/**
- * Created by adrian on 2019-12-23.
- */
-open class ResourceHelper @Inject constructor() {
-
-    fun gs(@StringRes id: Int): String = MainApp.sResources.getString(id)
-
-    fun gs(@StringRes id: Int, vararg args: Any?) = MainApp.sResources.getString(id, *args)
-
-    fun gq(@PluralsRes id: Int, quantity: Int, vararg args: Any?): String =
-        MainApp.sResources.getQuantityString(id, quantity, *args)
-
-    fun gc(@ColorRes id: Int): Int = MainApp.sResources.getColor(id)
-}
\ No newline at end of file
diff --git a/app/src/main/java/info/nightscout/androidaps/utils/resources/ResourceHelper.kt b/app/src/main/java/info/nightscout/androidaps/utils/resources/ResourceHelper.kt
new file mode 100644
index 0000000000..2eb62f6ee6
--- /dev/null
+++ b/app/src/main/java/info/nightscout/androidaps/utils/resources/ResourceHelper.kt
@@ -0,0 +1,12 @@
+package info.nightscout.androidaps.utils.resources
+
+import androidx.annotation.ColorRes
+import androidx.annotation.PluralsRes
+import androidx.annotation.StringRes
+
+interface ResourceHelper {
+    fun gs(@StringRes id: Int): String?
+    fun gs(@StringRes id: Int, vararg args: Any?): String?
+    fun gq(@PluralsRes id: Int, quantity: Int, vararg args: Any?): String?
+    fun gc(@ColorRes id: Int): Int?
+}
\ No newline at end of file
diff --git a/app/src/main/java/info/nightscout/androidaps/utils/resources/ResourceHelperImplementation.kt b/app/src/main/java/info/nightscout/androidaps/utils/resources/ResourceHelperImplementation.kt
new file mode 100644
index 0000000000..08660d3745
--- /dev/null
+++ b/app/src/main/java/info/nightscout/androidaps/utils/resources/ResourceHelperImplementation.kt
@@ -0,0 +1,23 @@
+package info.nightscout.androidaps.utils.resources
+
+import androidx.annotation.ColorRes
+import androidx.annotation.PluralsRes
+import androidx.annotation.StringRes
+import androidx.core.content.ContextCompat
+import info.nightscout.androidaps.MainApp
+import javax.inject.Inject
+
+/**
+ * Created by adrian on 2019-12-23.
+ */
+class ResourceHelperImplementation @Inject constructor(private val mainApp: MainApp) : ResourceHelper {
+
+    override fun gs(@StringRes id: Int): String? = mainApp.getString(id)
+
+    override fun gs(@StringRes id: Int, vararg args: Any?): String? = mainApp.getString(id, *args)
+
+    override fun gq(@PluralsRes id: Int, quantity: Int, vararg args: Any?): String? =
+        mainApp.resources.getQuantityString(id, quantity, *args)
+
+    override fun gc(@ColorRes id: Int): Int = ContextCompat.getColor(mainApp, id)
+}
\ No newline at end of file
diff --git a/app/src/test/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefFreePeakPluginTest.kt b/app/src/test/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefFreePeakPluginTest.kt
index 806c8e0379..a0e5b7954c 100644
--- a/app/src/test/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefFreePeakPluginTest.kt
+++ b/app/src/test/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefFreePeakPluginTest.kt
@@ -1,7 +1,7 @@
 package info.nightscout.androidaps.plugins.insulin
 
 import info.nightscout.androidaps.R
-import info.nightscout.androidaps.utils.ResourceHelper
+import info.nightscout.androidaps.utils.resources.ResourceHelperImplementation
 import info.nightscout.androidaps.utils.sharedPreferences.SP
 import junit.framework.Assert.assertEquals
 import org.junit.Before
@@ -34,7 +34,7 @@ class InsulinOrefFreePeakPluginTest {
     lateinit var sp: SP
 
     @Mock
-    lateinit var resourceHelper: ResourceHelper
+    lateinit var resourceHelper: ResourceHelperImplementation
 
     @Before
     fun setup() {