diff --git a/src/Web/DOM/Node.js b/src/Web/DOM/Node.js
index 9c3b687..bf901a6 100644
--- a/src/Web/DOM/Node.js
+++ b/src/Web/DOM/Node.js
@@ -40,7 +40,7 @@ exports._previousSibling = getEffProp("previousSibling");
 
 exports._nextSibling = getEffProp("nextSibling");
 
-exports.nodeValue = getEffProp("nodeValue");
+exports._nodeValue = getEffProp("nodeValue");
 
 exports.setNodeValue = function (value) {
   return function (node) {
diff --git a/src/Web/DOM/Node.purs b/src/Web/DOM/Node.purs
index a471c78..1cdb06d 100644
--- a/src/Web/DOM/Node.purs
+++ b/src/Web/DOM/Node.purs
@@ -121,9 +121,12 @@ nextSibling = map toMaybe <<< _nextSibling
 
 foreign import _nextSibling :: Node -> Effect (Nullable Node)
 
--- | If the node type is text, comment, or processing instruction this is the
--- | node's data, or null in all other cases.
-foreign import nodeValue :: Node -> Effect String
+-- | If the node type is text, comment, or processing instruction this is
+-- | `Just` the node's data, or `Nothing` in all other cases.
+nodeValue :: Node -> Effect (Maybe String)
+nodeValue = map toMaybe <<< _nodeValue
+
+foreign import _nodeValue :: Node -> Effect (Nullable String)
 
 -- | If the node type is text, comment, or processing instruction this allows
 -- | the node's data to be changed, or has no effect in all other cases.