diff --git a/.github/workflows/quartodoc.yaml b/.github/workflows/quartodoc.yaml
index 6872843a..cdf1de69 100644
--- a/.github/workflows/quartodoc.yaml
+++ b/.github/workflows/quartodoc.yaml
@@ -47,10 +47,10 @@ jobs:
           BRANCH=${GITHUB_REF##*/}
           if [ "$BRANCH" == "develop" ]; then
             echo "TARGET_FOLDER=package/bvhar/dev/python" >> $GITHUB_ENV
-            sed -i 's|PY_VERSION_REF|https://github.com/ygeunkim/bvhar/tree/develop/python/|; s|R_VERSION_REF|https://ygeunkim.github.io/package/bvhar/dev/|' _variables.yml
+            sed -i "s|PY_VERSION_REF|'https://github.com/ygeunkim/bvhar/tree/develop/python/'|; s|R_VERSION_REF|'https://ygeunkim.github.io/package/bvhar/dev/'|" _variables.yml
           else
             echo "TARGET_FOLDER=package/bvhar/python" >> $GITHUB_ENV
-            sed -i 's|PY_VERSION_REF|https://github.com/ygeunkim/bvhar/tree/master/python/|; s|R_VERSION_REF|https://ygeunkim.github.io/package/bvhar/|' _variables.yml
+            sed -i "s|PY_VERSION_REF|'https://github.com/ygeunkim/bvhar/tree/master/python/'|; s|R_VERSION_REF|'https://ygeunkim.github.io/package/bvhar/'|" _variables.yml
           fi
         working-directory: python/docs
 
diff --git a/python/docs/_quarto.yml b/python/docs/_quarto.yml
index 167a1ec1..d696f563 100644
--- a/python/docs/_quarto.yml
+++ b/python/docs/_quarto.yml
@@ -24,11 +24,11 @@ website:
           - text: "bvhar"
             file: intro.qmd
           - text: "bvhar in R"
-            href: {{< var ref.r >}}
+            href: "{{< var myref.rref >}}"
             target: _blank
     right:
       - icon: github
-        href: {{< var ref.py >}}
+        href: "{{< var myref.pyref >}}"
         aria-label: bvhar-python github
   sidebar:
     style: floating
diff --git a/python/docs/_variables.yml b/python/docs/_variables.yml
index 323c2e5c..9e08cb21 100644
--- a/python/docs/_variables.yml
+++ b/python/docs/_variables.yml
@@ -1,5 +1,5 @@
 version: QUARTODOC_VERSION
 
-ref:
-  py: PY_VERSION_REF
-  r: R_VERSION_REF
\ No newline at end of file
+myref:
+  pyref: PY_VERSION_REF
+  rref: R_VERSION_REF
\ No newline at end of file