diff --git a/utils/rules.py b/utils/rules.py
index a339c92d..eccce79b 100755
--- a/utils/rules.py
+++ b/utils/rules.py
@@ -76,13 +76,13 @@ word_dic = {
 "/Mi": "/E",
 "/Fa": "/F",
 "/Sol": "/G",
-"gtab{La": "gtab{A",
-"gtab{Si": "gtab{B",
-"gtab{Do": "gtab{C",
-"gtab{Ré": "gtab{D",
-"gtab{Mi": "gtab{E",
-"gtab{Fa": "gtab{F",
-"gtab{Sol": "gtab{G",
+"tab{La": "tab{A",
+"tab{Si": "tab{B",
+"tab{Do": "tab{C",
+"tab{Ré": "tab{D",
+"tab{Mi": "tab{E",
+"tab{Fa": "tab{F",
+"tab{Sol": "tab{G",
 "\\[La": "\\[A",
 "\\[Si": "\\[B",
 "\\[Do": "\\[C",
@@ -161,9 +161,9 @@ def language_rules(string):
       #ensure non-breaking spaces before symbols ? ! ; :
       string = re.sub("(?P<last_char>\S)(?P<symbol>[!?;:])","\g<last_char> \g<symbol>", string)
       #... except for gtabs macros with capos
-      string = re.sub("(?P<gtab>gtab.*)\s:","\g<gtab>:", string)
+      string = re.sub("(?P<gtab>tab.?{.*)\s:","\g<gtab>:", string)
       #and apply a second time for cases like \gtab{Gm}{10:X02210:}
-      string = re.sub("(?P<gtab>gtab.*)\s:","\g<gtab>:", string)
+      string = re.sub("(?P<gtab>tab.?{.*)\s:","\g<gtab>:", string)
       #ensure no spaces after symbols (
       string = re.sub("(?P<symbol>[\(])\s(?P<next_char>\S)","\g<symbol>\g<next_char>", string)
       #convert inverted commas