diff --git a/src/com/fsck/k9/activity/misc/ContactPictureLoader.java b/src/com/fsck/k9/activity/misc/ContactPictureLoader.java
index 45c8e1a20..842bec4eb 100644
--- a/src/com/fsck/k9/activity/misc/ContactPictureLoader.java
+++ b/src/com/fsck/k9/activity/misc/ContactPictureLoader.java
@@ -161,7 +161,7 @@ public class ContactPictureLoader {
             return mDefaultBackgroundColor;
         }
 
-        int val = address.getAddress().toLowerCase(Locale.getDefault()).hashCode();
+        int val = address.hashCode();
         int rgb = CONTACT_DUMMY_COLORS_ARGB[Math.abs(val) % CONTACT_DUMMY_COLORS_ARGB.length];
         return rgb;
     }