diff --git a/.github/workflows/documentation.yml b/.github/workflows/documentation.yml
index c5dd296a..1740fda6 100644
--- a/.github/workflows/documentation.yml
+++ b/.github/workflows/documentation.yml
@@ -106,7 +106,7 @@ jobs:
 
       - name: Sphinx build
         run: |
-          sphinx-build doc _build
+          conda run --name diff_check --no-capture-output invoke documentize
         working-directory: ${{github.workspace}}
 
 
diff --git a/tasks.py b/tasks.py
index cb12bf8c..bb1773c2 100644
--- a/tasks.py
+++ b/tasks.py
@@ -1,5 +1,6 @@
 # tasks.py
 from invoke import task
+import subprocess
 
 PATH_MANIFEST = "./manifest.yml"
 PATH_LOGO = "./logo.png"
@@ -62,4 +63,4 @@ def yakerize(c):
 
 @task
 def documentize(c):
-    c.run("conda run --name diff_check --no-capture-output sphinx-build doc _build")
\ No newline at end of file
+    subprocess.run("conda activate diff_check && sphinx-build doc _build", shell=True, check=True)
\ No newline at end of file