diff --git a/src/add-to-wiki b/src/add-to-wiki
index 72bde66..bc7c28c 100755
--- a/src/add-to-wiki
+++ b/src/add-to-wiki
@@ -13,16 +13,18 @@ commit_message="${3}"
 dir="$(mktemp -d)"
 cd $dir
 
-git clone "https://${GITHUB_TOKEN}@github.com/${repo_name}.wiki.git" .
+git clone "https://x-access-token:${GITHUB_TOKEN}@github.com/${repo_name}.wiki.git" .
 echo $stdin > "${filename}"
 
-if ! git diff --exit-code
-then
-    git add "${filename}"
+git add "${filename}"
 
+if ! git diff --staged --exit-code
+then
     git config --global user.email "coverage-comment-action"
     git config --global user.name "Coverage Comment Action"
     git commit -m "$commit_message"
 
     git push -u origin
+else
+    echo "No change detected, skipping."
 fi
diff --git a/src/entrypoint b/src/entrypoint
index 392a635..7994abc 100755
--- a/src/entrypoint
+++ b/src/entrypoint
@@ -25,6 +25,7 @@ def main():
     config = Config.from_environ(os.environ)
     coverage_info = get_coverage_info(config=config)
     gh = get_api(config=config)
+    print(f"Operating on {config.GITHUB_REF}")
     if config.GITHUB_PR_NUMBER:
         print(f"Commenting on the coverage on PR {config.GITHUB_PR_NUMBER}")
         diff_coverage_info = get_diff_coverage_info(config=config)
@@ -56,7 +57,6 @@ class Config:
     GITHUB_BASE_REF: str
     GITHUB_TOKEN: str
     GITHUB_REPOSITORY: str
-    GITHUB_HEAD_REF: str
     GITHUB_REF: str
     BADGE_FILENAME: str = "coverage-comment-badge.json"
     COVERAGE_FILE: str = "coverage.xml"
@@ -90,6 +90,13 @@ class Config:
             return int(self.GITHUB_REF.split("/")[2])
         return None
 
+    @property
+    def GITHUB_BRANCH_NAME(self) -> Optional[str]:
+        # "refs/pull/2/merge"
+        if self.GITHUB_REF.startswith("refs/heads/"):
+            return self.GITHUB_REF.split("/")[-1]
+        return None
+
     @classmethod
     def from_environ(cls, environ):
         possible_variables = [e for e in inspect.signature(cls).parameters]
@@ -193,7 +200,9 @@ def get_markdown_comment(
 
 def is_main_branch(gh: github.Github, config: Config) -> bool:
     repo = gh.get_repo(config.GITHUB_REPOSITORY)
-    return repo.default_branch == config.GITHUB_HEAD_REF
+
+    branch = config.GITHUB_BRANCH_NAME
+    return repo.default_branch == branch
 
 
 def post_comment(body: str, gh: github.Github, config: Config) -> None:
@@ -245,9 +254,8 @@ def get_badge_json_url(config: Config) -> str:
 
 def get_previous_coverage_rate(config: Config) -> Optional[float]:
     try:
-        return float(
-            requests.get(get_badge_json_url(config=config)).json()["value"][:-1]
-        )
+        response = requests.get(get_badge_json_url(config=config))
+        return float(response.json()["message"][:-1]) / 100
     except Exception:
         print("Previous coverage results not found, cannot report on evolution.")
         return None