diff --git a/python/bot.py b/python/bot.py
index c22d6424..411be68b 100644
--- a/python/bot.py
+++ b/python/bot.py
@@ -93,6 +93,9 @@ def message_new(self, event):
                 self.delete_message(event)
         elif regex.findall(patterns.ADD_PROGRAMMING_LANGUAGE, message):
             language = regex.match(patterns.ADD_PROGRAMMING_LANGUAGE, message).group('language')
+            language = self.get_default_programming_language(language)
+            if not language:
+                return
             if "programming_languages" not in user.obj:
                 user.programming_languages = []
                 base.save(user)
@@ -173,6 +176,13 @@ def get_programming_languages_string(self, user):
         else:
             return ""
 
+    def get_default_programming_language(self, language):
+        for default_programming_language in default_programming_languages:
+            default_programming_language = default_programming_language.replace('\\', '')
+            if default_programming_language.lower() == language.lower():
+                return default_programming_language
+        return None
+
     def contains_string(self, strings, matchedString, ignoreCase):
         if ignoreCase:
             for string in strings:
diff --git a/python/patterns.py b/python/patterns.py
index 5a0a8d6c..7ec440ee 100644
--- a/python/patterns.py
+++ b/python/patterns.py
@@ -7,4 +7,4 @@
 APPLY_RATING = compile(r"\A\s*(?P<operator>\+|\-)(?P<amount>[0-9]*)\s*\Z")
 TOP = compile(r"\A\s*(топ|top)\s*\Z", IGNORECASE)
 TOP_LANGUAGES = compile(r"\A\s*(топ|top)\s*(?P<languages>(" + default_languages + r")(\s+(" + default_languages + r"))*)\s*\Z", IGNORECASE)
-ADD_PROGRAMMING_LANGUAGE = compile(r"\A\s*\+=\s*(?P<language>" + default_languages + r")\s*\Z")
+ADD_PROGRAMMING_LANGUAGE = compile(r"\A\s*\+=\s*(?P<language>" + default_languages + r")\s*\Z", IGNORECASE)