diff --git a/xdrip/Constants/ConstantsBGGraphBuilder.swift b/xdrip/Constants/ConstantsBGGraphBuilder.swift
index 3d908337..492ce1ce 100644
--- a/xdrip/Constants/ConstantsBGGraphBuilder.swift
+++ b/xdrip/Constants/ConstantsBGGraphBuilder.swift
@@ -2,7 +2,7 @@ enum ConstantsBGGraphBuilder {
     static let maxSlopeInMinutes = 21
     static let defaultUrgentHighMarkInMgdl = 230.0
     static let defaultHighMarkInMgdl = 180.0
-    static let defaultTargetMarkInMgdl = 120.0
+    static let defaultTargetMarkInMgdl = 100.0
     static let defaultLowMarkInMgdl = 70.0
     static let defaultUrgentLowMarkInMgdl = 50.0
 }