diff --git a/sharelatex-git b/sharelatex-git
index 12c615b..9b4b2cc 120000
--- a/sharelatex-git
+++ b/sharelatex-git
@@ -1 +1 @@
-sharelatex-git.py
\ No newline at end of file
+sharelatex_git.py
\ No newline at end of file
diff --git a/sharelatex-git.py b/sharelatex_git.py
old mode 100755
new mode 100644
similarity index 98%
rename from sharelatex-git.py
rename to sharelatex_git.py
index b761d38..d707360
--- a/sharelatex-git.py
+++ b/sharelatex_git.py
@@ -146,7 +146,7 @@ def write_if_not_there(s):
                 if s not in lines:
                     f.write(s + '\n')
 
-            write_if_not_there('sharelatex-git.py')
+            write_if_not_there('sharelatex_git.py')
             write_if_not_there('sharelatex-git')
             write_if_not_there('.sharelatex-git')
     except:
@@ -196,7 +196,9 @@ def commit_all_changes(message, title):
 #------------------------------------------------------------------------------
 def files_changed():
     out = run_cmd('git status .').decode('utf-8')
-    return 'nothing to commit, working directory clean' not in out.lower()
+    return ('nothing to commit, working directory clean' not in out.lower()
+            and
+            'nothing to commit, working tree clean' not in out.lower())
 
 #------------------------------------------------------------------------------
 # Download the sharelatex project and extract it. Die out if there's any
@@ -435,4 +437,5 @@ def parse_input():
 #------------------------------------------------------------------------------
 # Go, go, go!
 #------------------------------------------------------------------------------
-go(*parse_input())
+if __name__ == '__main__':
+    go(*parse_input())