diff --git a/sphinx_thebe/__init__.py b/sphinx_thebe/__init__.py
index eee2bbb..1209c6e 100644
--- a/sphinx_thebe/__init__.py
+++ b/sphinx_thebe/__init__.py
@@ -145,7 +145,7 @@ def update_thebe_context(app, doctree, docname):
             mode: "{cm_language}"
         }},
         kernelOptions: {{
-            kernelName: "{kernel_name}",
+            name: "{kernel_name}",
             path: "{path_to_docs}{str(Path(docname).parent)}"
         }},
         predefinedOutput: true
diff --git a/tests/test_build/config_custom.html b/tests/test_build/config_custom.html
index fdec5ed..f215300 100644
--- a/tests/test_build/config_custom.html
+++ b/tests/test_build/config_custom.html
@@ -10,7 +10,7 @@
             mode: "r"
         },
         kernelOptions: {
-            kernelName: "ir",
+            name: "ir",
             path: "docs/."
         },
         predefinedOutput: true
diff --git a/tests/test_build/config_index.html b/tests/test_build/config_index.html
index 53903c3..f4575f6 100644
--- a/tests/test_build/config_index.html
+++ b/tests/test_build/config_index.html
@@ -10,7 +10,7 @@
             mode: "python"
         },
         kernelOptions: {
-            kernelName: "python3",
+            name: "python3",
             path: "docs/."
         },
         predefinedOutput: true