diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt b/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt
index a0d3652240..8300c9147a 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/insulin/InsulinOrefBasePlugin.kt
@@ -101,7 +101,7 @@ abstract class InsulinOrefBasePlugin(
             return comment
         }
 
-    abstract val peak: Int
+    override abstract val peak: Int
     abstract fun commentStandardText(): String
 
     companion object {
diff --git a/core/src/main/java/info/nightscout/androidaps/interfaces/Insulin.kt b/core/src/main/java/info/nightscout/androidaps/interfaces/Insulin.kt
index ab3a8296e3..d483553ba1 100644
--- a/core/src/main/java/info/nightscout/androidaps/interfaces/Insulin.kt
+++ b/core/src/main/java/info/nightscout/androidaps/interfaces/Insulin.kt
@@ -27,6 +27,7 @@ interface Insulin : ConfigExportImport {
     val friendlyName: String
     val comment: String
     val dia: Double
+    val peak: Int
 
     fun iobCalcForTreatment(bolus: Bolus, time: Long, dia: Double): Iob