diff --git a/ChangeLog b/ChangeLog
index 808cd818d..c0e29d74c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,7 @@ v0.3.7-dev, 2012-01-06
 Version 0.3.7 (under dev!)
 --------------------------
 
+* core: use extended regex in filters (patch #7616)
 * core: save current mouse state in option weechat.look.mouse (set option when
   mouse state is changed with command /mouse)
 * core: add type "hashtable" for hdata
diff --git a/src/gui/gui-filter.c b/src/gui/gui-filter.c
index d2c0b4e10..3b3432e1b 100644
--- a/src/gui/gui-filter.c
+++ b/src/gui/gui-filter.c
@@ -285,7 +285,7 @@ gui_filter_new (int enabled, const char *name, const char *buffer_name,
             if (regex1)
             {
                 if (regcomp (regex1, regex_prefix,
-                             REG_NOSUB | REG_ICASE) != 0)
+                             REG_NOSUB | REG_ICASE | REG_EXTENDED) != 0)
                 {
                     free (regex_prefix);
                     free (regex1);
@@ -298,7 +298,7 @@ gui_filter_new (int enabled, const char *name, const char *buffer_name,
         if (regex2)
         {
             if (regcomp (regex2, pos_regex_message,
-                         REG_NOSUB | REG_ICASE) != 0)
+                         REG_NOSUB | REG_ICASE | REG_EXTENDED) != 0)
             {
                 if (regex_prefix)
                     free (regex_prefix);