diff --git a/src/main/java/eu/siacs/conversations/utils/Patterns.java b/src/main/java/eu/siacs/conversations/utils/Patterns.java
index adaf77316ff5f4fc6e32a656a214042e5bd1600a..5edc6be439e829b2f9473d64549d7b5b105704a9 100644
--- a/src/main/java/eu/siacs/conversations/utils/Patterns.java
+++ b/src/main/java/eu/siacs/conversations/utils/Patterns.java
@@ -6,7 +6,7 @@ public class Patterns {
 
     public static final Pattern URI_GENERIC =
             Pattern.compile(
-                    "(?<=^|\\s)(tel|xmpp|http|https|geo|mailto|web\\+ap):[a-zA-Z0-9\\-._~:/?#\\[\\]@!$&'()*+,;=%]+");
+                    "(?<=^|\\s)(tel|xmpp|http|https|geo|mailto|web\\+ap):[\\p{L}\\p{M}\\p{N}\\-._~:/?#\\[\\]@!$&'()*+,;=%]+");
 
     public static final Pattern URI_TEL =
             Pattern.compile("^tel:\\+?(\\d{1,4}[-./()\\s]?)*\\d{1,4}(;.*)?$");