diff --git a/bundles/org.openhab.binding.tr064/src/main/java/org/openhab/binding/tr064/internal/phonebook/Tr064PhonebookImpl.java b/bundles/org.openhab.binding.tr064/src/main/java/org/openhab/binding/tr064/internal/phonebook/Tr064PhonebookImpl.java
index 43ad0ab78798b..15709329ed95e 100644
--- a/bundles/org.openhab.binding.tr064/src/main/java/org/openhab/binding/tr064/internal/phonebook/Tr064PhonebookImpl.java
+++ b/bundles/org.openhab.binding.tr064/src/main/java/org/openhab/binding/tr064/internal/phonebook/Tr064PhonebookImpl.java
@@ -93,6 +93,6 @@ public String toString() {
 
     private String normalizeNumber(String number) {
         // Naive normalization: remove all non-digit characters
-        return number.replaceAll("[^0-9]\\+\\*", "");
+        return number.replaceAll("[^0-9\\*\\+]", "");
     }
 }