diff --git a/semver/__init__.py b/semver/__init__.py
index 29769ce..6605f60 100644
--- a/semver/__init__.py
+++ b/semver/__init__.py
@@ -107,8 +107,10 @@ class SemVer(object):
         current_config = re.search(pattern, config_file)
         if current_config:
             config_file.replace(current_config, "current_version = " + get_tag_version())
-            with open(".bumpversion.cfg", "w") as file:
-                file.write(config_file)
+        else:
+            config_file.replace("[bumpversion]","[bumpversion]\ncurrent_version = " + get_tag_version())
+        with open(".bumpversion.cfg", "w") as file:
+            file.write(config_file)
 
         # version repo
         p = subprocess.Popen(['bumpversion', self.version_type],
diff --git a/semver/get_version.py b/semver/get_version.py
index 49645a6..12786fd 100644
--- a/semver/get_version.py
+++ b/semver/get_version.py
@@ -12,7 +12,7 @@ except ImportError:
     DEVNULL = open(os.devnull, 'wb')
 
 def get_tag_version():
-    version = "develop"
+    version = "0.0.0"
     
     tagged_versions = subprocess.Popen(['git','tag','-l','[0-9]*.[0-9]*.[0-9]*'],
         stdout=subprocess.PIPE, stderr=DEVNULL, cwd=".").stdout.read().decode('utf-8').rstrip().split('\n')