diff --git a/regexp/source/reclass.cxx b/regexp/source/reclass.cxx
index c57632a5863b..ea717b95edda 100644
--- a/regexp/source/reclass.cxx
+++ b/regexp/source/reclass.cxx
@@ -1255,6 +1255,7 @@ Regexpr::regex_compile()
         break;
       } else {
         p = p1+1;
+        p1++;
         last_char = (sal_Unicode)':';
         set_list_bit(last_char, b);
       }