diff --git a/source/net/yacy/cora/document/MultiProtocolURI.java b/source/net/yacy/cora/document/MultiProtocolURI.java
index 842a7f537..dc537445d 100644
--- a/source/net/yacy/cora/document/MultiProtocolURI.java
+++ b/source/net/yacy/cora/document/MultiProtocolURI.java
@@ -843,7 +843,7 @@ public class MultiProtocolURI implements Serializable, Comparable<MultiProtocolU
     
     private static CharType charType(char c) {
         if (c >= 'a' && c <= 'z') return CharType.low;
-        if (c >= '0' && c <= '1') return CharType.number;
+        if (c >= '0' && c <= '9') return CharType.number;
         return CharType.high;
     }